Home / 755,391.40-1,132,672.98-299,520.96

Finding the Fourth Proportional to 755,391.40, 1,132,672.98 and 299,520.96

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Solution

The fourth proportional to 755,391.40, 1,132,672.98 and 299,520.96 is: 449,117.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,391.40 : 1,132,672.98 = 299,520.96 : x
  2. Step 2: Convert to fraction form
    755,391.40/1,132,672.98 = 299,520.96/x
  3. Step 3: Cross multiply
    755,391.40x = 1,132,672.98 × 299,520.96
  4. Step 4: Simplify right side
    755,391.40x = 339,259,298,335.66
  5. Step 5: Solve for x
    x = 339,259,298,335.66/755,391.40
  6. Step 6: Final answer
    x = 449,117.24

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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.