Home / 891,691.30-1,337,521.47-359,198.74

Finding the Fourth Proportional to 891,691.30, 1,337,521.47 and 359,198.74

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Solution

The fourth proportional to 891,691.30, 1,337,521.47 and 359,198.74 is: 538,791.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,691.30 : 1,337,521.47 = 359,198.74 : x
  2. Step 2: Convert to fraction form
    891,691.30/1,337,521.47 = 359,198.74/x
  3. Step 3: Cross multiply
    891,691.30x = 1,337,521.47 × 359,198.74
  4. Step 4: Simplify right side
    891,691.30x = 480,436,026,746.95
  5. Step 5: Solve for x
    x = 480,436,026,746.95/891,691.30
  6. Step 6: Final answer
    x = 538,791.87

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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.