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Finding the Fourth Proportional to 656,455.46, 984,815.89 and 277,377.28

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Solution

The fourth proportional to 656,455.46, 984,815.89 and 277,377.28 is: 416,121.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,455.46 : 984,815.89 = 277,377.28 : x
  2. Step 2: Convert to fraction form
    656,455.46/984,815.89 = 277,377.28/x
  3. Step 3: Cross multiply
    656,455.46x = 984,815.89 × 277,377.28
  4. Step 4: Simplify right side
    656,455.46x = 273,165,549,713.50
  5. Step 5: Solve for x
    x = 273,165,549,713.50/656,455.46
  6. Step 6: Final answer
    x = 416,121.99

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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.