Home / 924,967.76-1,387,419.96-392,145.68

Finding the Fourth Proportional to 924,967.76, 1,387,419.96 and 392,145.68

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Solution

The fourth proportional to 924,967.76, 1,387,419.96 and 392,145.68 is: 588,205.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,967.76 : 1,387,419.96 = 392,145.68 : x
  2. Step 2: Convert to fraction form
    924,967.76/1,387,419.96 = 392,145.68/x
  3. Step 3: Cross multiply
    924,967.76x = 1,387,419.96 × 392,145.68
  4. Step 4: Simplify right side
    924,967.76x = 544,070,743,659.77
  5. Step 5: Solve for x
    x = 544,070,743,659.77/924,967.76
  6. Step 6: Final answer
    x = 588,205.09

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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.