Home / 513,191.12-708,175.17-283,735.13

Finding the Fourth Proportional to 513,191.12, 708,175.17 and 283,735.13

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Solution

The fourth proportional to 513,191.12, 708,175.17 and 283,735.13 is: 391,538.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,191.12 : 708,175.17 = 283,735.13 : x
  2. Step 2: Convert to fraction form
    513,191.12/708,175.17 = 283,735.13/x
  3. Step 3: Cross multiply
    513,191.12x = 708,175.17 × 283,735.13
  4. Step 4: Simplify right side
    513,191.12x = 200,934,170,381.85
  5. Step 5: Solve for x
    x = 200,934,170,381.85/513,191.12
  6. Step 6: Final answer
    x = 391,538.68

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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.