Home / 861,965.14-1,292,060.55-382,418.77

Finding the Fourth Proportional to 861,965.14, 1,292,060.55 and 382,418.77

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Solution

The fourth proportional to 861,965.14, 1,292,060.55 and 382,418.77 is: 573,234.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,965.14 : 1,292,060.55 = 382,418.77 : x
  2. Step 2: Convert to fraction form
    861,965.14/1,292,060.55 = 382,418.77/x
  3. Step 3: Cross multiply
    861,965.14x = 1,292,060.55 × 382,418.77
  4. Step 4: Simplify right side
    861,965.14x = 494,108,206,296.52
  5. Step 5: Solve for x
    x = 494,108,206,296.52/861,965.14
  6. Step 6: Final answer
    x = 573,234.56

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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.