Home / 721,521.40-1,082,282.10-604,298.20

Finding the Fourth Proportional to 721,521.40, 1,082,282.10 and 604,298.20

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Solution

The fourth proportional to 721,521.40, 1,082,282.10 and 604,298.20 is: 906,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,521.40 : 1,082,282.10 = 604,298.20 : x
  2. Step 2: Convert to fraction form
    721,521.40/1,082,282.10 = 604,298.20/x
  3. Step 3: Cross multiply
    721,521.40x = 1,082,282.10 × 604,298.20
  4. Step 4: Simplify right side
    721,521.40x = 654,021,124,922.22
  5. Step 5: Solve for x
    x = 654,021,124,922.22/721,521.40
  6. Step 6: Final answer
    x = 906,447.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 721,522.40, 1,082,283.60 and 604,299.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.