Home / 782,132.01-1,172,732.07-242,228.34

Finding the Fourth Proportional to 782,132.01, 1,172,732.07 and 242,228.34

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Solution

The fourth proportional to 782,132.01, 1,172,732.07 and 242,228.34 is: 363,198.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,132.01 : 1,172,732.07 = 242,228.34 : x
  2. Step 2: Convert to fraction form
    782,132.01/1,172,732.07 = 242,228.34/x
  3. Step 3: Cross multiply
    782,132.01x = 1,172,732.07 × 242,228.34
  4. Step 4: Simplify right side
    782,132.01x = 284,068,942,580.86
  5. Step 5: Solve for x
    x = 284,068,942,580.86/782,132.01
  6. Step 6: Final answer
    x = 363,198.21

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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.