Home / 508,581.28-701,835.60-282,221.92

Finding the Fourth Proportional to 508,581.28, 701,835.60 and 282,221.92

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Solution

The fourth proportional to 508,581.28, 701,835.60 and 282,221.92 is: 389,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,581.28 : 701,835.60 = 282,221.92 : x
  2. Step 2: Convert to fraction form
    508,581.28/701,835.60 = 282,221.92/x
  3. Step 3: Cross multiply
    508,581.28x = 701,835.60 × 282,221.92
  4. Step 4: Simplify right side
    508,581.28x = 198,073,390,556.35
  5. Step 5: Solve for x
    x = 198,073,390,556.35/508,581.28
  6. Step 6: Final answer
    x = 389,462.61

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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.