Home / 971,721.20-1,456,998.60-499,329.20

Finding the Fourth Proportional to 971,721.20, 1,456,998.60 and 499,329.20

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Solution

The fourth proportional to 971,721.20, 1,456,998.60 and 499,329.20 is: 748,694.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,721.20 : 1,456,998.60 = 499,329.20 : x
  2. Step 2: Convert to fraction form
    971,721.20/1,456,998.60 = 499,329.20/x
  3. Step 3: Cross multiply
    971,721.20x = 1,456,998.60 × 499,329.20
  4. Step 4: Simplify right side
    971,721.20x = 727,521,945,339.12
  5. Step 5: Solve for x
    x = 727,521,945,339.12/971,721.20
  6. Step 6: Final answer
    x = 748,694.12

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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.