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Finding the Fourth Proportional to 636,138.30, 954,207.45 and 608,835.90

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Solution

The fourth proportional to 636,138.30, 954,207.45 and 608,835.90 is: 913,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,138.30 : 954,207.45 = 608,835.90 : x
  2. Step 2: Convert to fraction form
    636,138.30/954,207.45 = 608,835.90/x
  3. Step 3: Cross multiply
    636,138.30x = 954,207.45 × 608,835.90
  4. Step 4: Simplify right side
    636,138.30x = 580,955,751,607.46
  5. Step 5: Solve for x
    x = 580,955,751,607.46/636,138.30
  6. Step 6: Final answer
    x = 913,253.85

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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.