Home / 674,841.90-1,012,157.10-225,559.20

Finding the Fourth Proportional to 674,841.90, 1,012,157.10 and 225,559.20

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Solution

The fourth proportional to 674,841.90, 1,012,157.10 and 225,559.20 is: 338,303.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,841.90 : 1,012,157.10 = 225,559.20 : x
  2. Step 2: Convert to fraction form
    674,841.90/1,012,157.10 = 225,559.20/x
  3. Step 3: Cross multiply
    674,841.90x = 1,012,157.10 × 225,559.20
  4. Step 4: Simplify right side
    674,841.90x = 228,301,345,750.32
  5. Step 5: Solve for x
    x = 228,301,345,750.32/674,841.90
  6. Step 6: Final answer
    x = 338,303.45

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Double scale
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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.