Home / 895,780.86-1,236,338.55-513,933.90

Finding the Fourth Proportional to 895,780.86, 1,236,338.55 and 513,933.90

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Solution

The fourth proportional to 895,780.86, 1,236,338.55 and 513,933.90 is: 709,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,780.86 : 1,236,338.55 = 513,933.90 : x
  2. Step 2: Convert to fraction form
    895,780.86/1,236,338.55 = 513,933.90/x
  3. Step 3: Cross multiply
    895,780.86x = 1,236,338.55 × 513,933.90
  4. Step 4: Simplify right side
    895,780.86x = 635,396,292,721.85
  5. Step 5: Solve for x
    x = 635,396,292,721.85/895,780.86
  6. Step 6: Final answer
    x = 709,321.13

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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.