Home / 800,351.48-1,103,404.20-513,373.36

Finding the Fourth Proportional to 800,351.48, 1,103,404.20 and 513,373.36

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Solution

The fourth proportional to 800,351.48, 1,103,404.20 and 513,373.36 is: 707,761.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,351.48 : 1,103,404.20 = 513,373.36 : x
  2. Step 2: Convert to fraction form
    800,351.48/1,103,404.20 = 513,373.36/x
  3. Step 3: Cross multiply
    800,351.48x = 1,103,404.20 × 513,373.36
  4. Step 4: Simplify right side
    800,351.48x = 566,458,321,592.11
  5. Step 5: Solve for x
    x = 566,458,321,592.11/800,351.48
  6. Step 6: Final answer
    x = 707,761.95

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1.5x scale

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.