Home / 656,470.20-984,705.30-282,493.20

Finding the Fourth Proportional to 656,470.20, 984,705.30 and 282,493.20

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Solution

The fourth proportional to 656,470.20, 984,705.30 and 282,493.20 is: 423,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,470.20 : 984,705.30 = 282,493.20 : x
  2. Step 2: Convert to fraction form
    656,470.20/984,705.30 = 282,493.20/x
  3. Step 3: Cross multiply
    656,470.20x = 984,705.30 × 282,493.20
  4. Step 4: Simplify right side
    656,470.20x = 278,172,551,253.96
  5. Step 5: Solve for x
    x = 278,172,551,253.96/656,470.20
  6. Step 6: Final answer
    x = 423,739.80

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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.