Home / 885,126.90-1,221,265.17-503,123.61

Finding the Fourth Proportional to 885,126.90, 1,221,265.17 and 503,123.61

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Solution

The fourth proportional to 885,126.90, 1,221,265.17 and 503,123.61 is: 694,191.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,126.90 : 1,221,265.17 = 503,123.61 : x
  2. Step 2: Convert to fraction form
    885,126.90/1,221,265.17 = 503,123.61/x
  3. Step 3: Cross multiply
    885,126.90x = 1,221,265.17 × 503,123.61
  4. Step 4: Simplify right side
    885,126.90x = 614,447,341,097.66
  5. Step 5: Solve for x
    x = 614,447,341,097.66/885,126.90
  6. Step 6: Final answer
    x = 694,191.24

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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.