Home / 908,291.48-1,253,540.76-500,435.16

Finding the Fourth Proportional to 908,291.48, 1,253,540.76 and 500,435.16

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Solution

The fourth proportional to 908,291.48, 1,253,540.76 and 500,435.16 is: 690,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,291.48 : 1,253,540.76 = 500,435.16 : x
  2. Step 2: Convert to fraction form
    908,291.48/1,253,540.76 = 500,435.16/x
  3. Step 3: Cross multiply
    908,291.48x = 1,253,540.76 × 500,435.16
  4. Step 4: Simplify right side
    908,291.48x = 627,315,870,797.12
  5. Step 5: Solve for x
    x = 627,315,870,797.12/908,291.48
  6. Step 6: Final answer
    x = 690,654.80

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.