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Finding the Fourth Proportional to 864,951.76, 1,296,873.24 and 359,863.12

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Solution

The fourth proportional to 864,951.76, 1,296,873.24 and 359,863.12 is: 539,564.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,951.76 : 1,296,873.24 = 359,863.12 : x
  2. Step 2: Convert to fraction form
    864,951.76/1,296,873.24 = 359,863.12/x
  3. Step 3: Cross multiply
    864,951.76x = 1,296,873.24 × 359,863.12
  4. Step 4: Simplify right side
    864,951.76x = 466,696,850,390.91
  5. Step 5: Solve for x
    x = 466,696,850,390.91/864,951.76
  6. Step 6: Final answer
    x = 539,564.02

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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.