Home / 498,836.04-688,397.38-272,481.48

Finding the Fourth Proportional to 498,836.04, 688,397.38 and 272,481.48

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Solution

The fourth proportional to 498,836.04, 688,397.38 and 272,481.48 is: 376,026.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,836.04 : 688,397.38 = 272,481.48 : x
  2. Step 2: Convert to fraction form
    498,836.04/688,397.38 = 272,481.48/x
  3. Step 3: Cross multiply
    498,836.04x = 688,397.38 × 272,481.48
  4. Step 4: Simplify right side
    498,836.04x = 187,575,536,930.52
  5. Step 5: Solve for x
    x = 187,575,536,930.52/498,836.04
  6. Step 6: Final answer
    x = 376,026.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.