Home / 908,307.48-1,253,562.84-500,451.15

Finding the Fourth Proportional to 908,307.48, 1,253,562.84 and 500,451.15

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Solution

The fourth proportional to 908,307.48, 1,253,562.84 and 500,451.15 is: 690,676.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,307.48 : 1,253,562.84 = 500,451.15 : x
  2. Step 2: Convert to fraction form
    908,307.48/1,253,562.84 = 500,451.15/x
  3. Step 3: Cross multiply
    908,307.48x = 1,253,562.84 × 500,451.15
  4. Step 4: Simplify right side
    908,307.48x = 627,346,964,875.27
  5. Step 5: Solve for x
    x = 627,346,964,875.27/908,307.48
  6. Step 6: Final answer
    x = 690,676.87

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Double scale
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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.