Home / 413,820.60-619,694.10-272,815.80

Finding the Fourth Proportional to 413,820.60, 619,694.10 and 272,815.80

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Solution

The fourth proportional to 413,820.60, 619,694.10 and 272,815.80 is: 408,540.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,820.60 : 619,694.10 = 272,815.80 : x
  2. Step 2: Convert to fraction form
    413,820.60/619,694.10 = 272,815.80/x
  3. Step 3: Cross multiply
    413,820.60x = 619,694.10 × 272,815.80
  4. Step 4: Simplify right side
    413,820.60x = 169,062,341,646.78
  5. Step 5: Solve for x
    x = 169,062,341,646.78/413,820.60
  6. Step 6: Final answer
    x = 408,540.18

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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.