Home / 755,469.13-1,133,248.11-215,683.92

Finding the Fourth Proportional to 755,469.13, 1,133,248.11 and 215,683.92

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Solution

The fourth proportional to 755,469.13, 1,133,248.11 and 215,683.92 is: 323,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,469.13 : 1,133,248.11 = 215,683.92 : x
  2. Step 2: Convert to fraction form
    755,469.13/1,133,248.11 = 215,683.92/x
  3. Step 3: Cross multiply
    755,469.13x = 1,133,248.11 × 215,683.92
  4. Step 4: Simplify right side
    755,469.13x = 244,423,389,031.15
  5. Step 5: Solve for x
    x = 244,423,389,031.15/755,469.13
  6. Step 6: Final answer
    x = 323,538.55

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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.