Home / 924,964.80-1,387,252.80-392,503.20

Finding the Fourth Proportional to 924,964.80, 1,387,252.80 and 392,503.20

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Solution

The fourth proportional to 924,964.80, 1,387,252.80 and 392,503.20 is: 588,672.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,964.80 : 1,387,252.80 = 392,503.20 : x
  2. Step 2: Convert to fraction form
    924,964.80/1,387,252.80 = 392,503.20/x
  3. Step 3: Cross multiply
    924,964.80x = 1,387,252.80 × 392,503.20
  4. Step 4: Simplify right side
    924,964.80x = 544,501,163,208.96
  5. Step 5: Solve for x
    x = 544,501,163,208.96/924,964.80
  6. Step 6: Final answer
    x = 588,672.31

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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.