Home / 697,203.60-1,045,805.40-248,431.20

Finding the Fourth Proportional to 697,203.60, 1,045,805.40 and 248,431.20

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Solution

The fourth proportional to 697,203.60, 1,045,805.40 and 248,431.20 is: 372,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,203.60 : 1,045,805.40 = 248,431.20 : x
  2. Step 2: Convert to fraction form
    697,203.60/1,045,805.40 = 248,431.20/x
  3. Step 3: Cross multiply
    697,203.60x = 1,045,805.40 × 248,431.20
  4. Step 4: Simplify right side
    697,203.60x = 259,810,690,488.48
  5. Step 5: Solve for x
    x = 259,810,690,488.48/697,203.60
  6. Step 6: Final answer
    x = 372,646.80

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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.