Home / 755,084.13-1,132,060.47-455,494.87

Finding the Fourth Proportional to 755,084.13, 1,132,060.47 and 455,494.87

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Solution

The fourth proportional to 755,084.13, 1,132,060.47 and 455,494.87 is: 682,901.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,084.13 : 1,132,060.47 = 455,494.87 : x
  2. Step 2: Convert to fraction form
    755,084.13/1,132,060.47 = 455,494.87/x
  3. Step 3: Cross multiply
    755,084.13x = 1,132,060.47 × 455,494.87
  4. Step 4: Simplify right side
    755,084.13x = 515,647,730,954.49
  5. Step 5: Solve for x
    x = 515,647,730,954.49/755,084.13
  6. Step 6: Final answer
    x = 682,901.03

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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.