Home / 908,089.38-1,253,053.61-520,884.74

Finding the Fourth Proportional to 908,089.38, 1,253,053.61 and 520,884.74

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Solution

The fourth proportional to 908,089.38, 1,253,053.61 and 520,884.74 is: 718,758.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,089.38 : 1,253,053.61 = 520,884.74 : x
  2. Step 2: Convert to fraction form
    908,089.38/1,253,053.61 = 520,884.74/x
  3. Step 3: Cross multiply
    908,089.38x = 1,253,053.61 × 520,884.74
  4. Step 4: Simplify right side
    908,089.38x = 652,696,503,850.91
  5. Step 5: Solve for x
    x = 652,696,503,850.91/908,089.38
  6. Step 6: Final answer
    x = 718,758.00

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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.