Home / 513,331.09-708,401.61-283,876.52

Finding the Fourth Proportional to 513,331.09, 708,401.61 and 283,876.52

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Solution

The fourth proportional to 513,331.09, 708,401.61 and 283,876.52 is: 391,752.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,331.09 : 708,401.61 = 283,876.52 : x
  2. Step 2: Convert to fraction form
    513,331.09/708,401.61 = 283,876.52/x
  3. Step 3: Cross multiply
    513,331.09x = 708,401.61 × 283,876.52
  4. Step 4: Simplify right side
    513,331.09x = 201,098,582,389.82
  5. Step 5: Solve for x
    x = 201,098,582,389.82/513,331.09
  6. Step 6: Final answer
    x = 391,752.20

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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.