Home / 924,959.80-1,387,245.30-392,498.20

Finding the Fourth Proportional to 924,959.80, 1,387,245.30 and 392,498.20

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Solution

The fourth proportional to 924,959.80, 1,387,245.30 and 392,498.20 is: 588,664.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,959.80 : 1,387,245.30 = 392,498.20 : x
  2. Step 2: Convert to fraction form
    924,959.80/1,387,245.30 = 392,498.20/x
  3. Step 3: Cross multiply
    924,959.80x = 1,387,245.30 × 392,498.20
  4. Step 4: Simplify right side
    924,959.80x = 544,491,283,208.46
  5. Step 5: Solve for x
    x = 544,491,283,208.46/924,959.80
  6. Step 6: Final answer
    x = 588,664.81

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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.