Home / 971,212.80-1,456,819.20-498,820.80

Finding the Fourth Proportional to 971,212.80, 1,456,819.20 and 498,820.80

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Solution

The fourth proportional to 971,212.80, 1,456,819.20 and 498,820.80 is: 748,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,212.80 : 1,456,819.20 = 498,820.80 : x
  2. Step 2: Convert to fraction form
    971,212.80/1,456,819.20 = 498,820.80/x
  3. Step 3: Cross multiply
    971,212.80x = 1,456,819.20 × 498,820.80
  4. Step 4: Simplify right side
    971,212.80x = 726,691,718,799.36
  5. Step 5: Solve for x
    x = 726,691,718,799.36/971,212.80
  6. Step 6: Final answer
    x = 748,231.20

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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.