Home / 755,177.70-1,041,909.18-428,436.24

Finding the Fourth Proportional to 755,177.70, 1,041,909.18 and 428,436.24

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Solution

The fourth proportional to 755,177.70, 1,041,909.18 and 428,436.24 is: 591,108.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,177.70 : 1,041,909.18 = 428,436.24 : x
  2. Step 2: Convert to fraction form
    755,177.70/1,041,909.18 = 428,436.24/x
  3. Step 3: Cross multiply
    755,177.70x = 1,041,909.18 × 428,436.24
  4. Step 4: Simplify right side
    755,177.70x = 446,391,651,500.68
  5. Step 5: Solve for x
    x = 446,391,651,500.68/755,177.70
  6. Step 6: Final answer
    x = 591,108.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.