Home / 917,488.73-1,376,233.10-286,456.61

Finding the Fourth Proportional to 917,488.73, 1,376,233.10 and 286,456.61

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Solution

The fourth proportional to 917,488.73, 1,376,233.10 and 286,456.61 is: 429,684.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,488.73 : 1,376,233.10 = 286,456.61 : x
  2. Step 2: Convert to fraction form
    917,488.73/1,376,233.10 = 286,456.61/x
  3. Step 3: Cross multiply
    917,488.73x = 1,376,233.10 × 286,456.61
  4. Step 4: Simplify right side
    917,488.73x = 394,231,068,395.79
  5. Step 5: Solve for x
    x = 394,231,068,395.79/917,488.73
  6. Step 6: Final answer
    x = 429,684.92

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Similar ratio
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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.