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Finding the Fourth Proportional to 636,305.40, 954,458.10 and 565,446.60

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Solution

The fourth proportional to 636,305.40, 954,458.10 and 565,446.60 is: 848,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,305.40 : 954,458.10 = 565,446.60 : x
  2. Step 2: Convert to fraction form
    636,305.40/954,458.10 = 565,446.60/x
  3. Step 3: Cross multiply
    636,305.40x = 954,458.10 × 565,446.60
  4. Step 4: Simplify right side
    636,305.40x = 539,695,087,487.46
  5. Step 5: Solve for x
    x = 539,695,087,487.46/636,305.40
  6. Step 6: Final answer
    x = 848,169.90

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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.