Home / 513,168.20-708,159.62-283,719.55

Finding the Fourth Proportional to 513,168.20, 708,159.62 and 283,719.55

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Solution

The fourth proportional to 513,168.20, 708,159.62 and 283,719.55 is: 391,526.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,168.20 : 708,159.62 = 283,719.55 : x
  2. Step 2: Convert to fraction form
    513,168.20/708,159.62 = 283,719.55/x
  3. Step 3: Cross multiply
    513,168.20x = 708,159.62 × 283,719.55
  4. Step 4: Simplify right side
    513,168.20x = 200,918,723,755.18
  5. Step 5: Solve for x
    x = 200,918,723,755.18/513,168.20
  6. Step 6: Final answer
    x = 391,526.06

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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.