Home / 508,749.45-702,039.11-282,377.13

Finding the Fourth Proportional to 508,749.45, 702,039.11 and 282,377.13

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Solution

The fourth proportional to 508,749.45, 702,039.11 and 282,377.13 is: 389,660.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,749.45 : 702,039.11 = 282,377.13 : x
  2. Step 2: Convert to fraction form
    508,749.45/702,039.11 = 282,377.13/x
  3. Step 3: Cross multiply
    508,749.45x = 702,039.11 × 282,377.13
  4. Step 4: Simplify right side
    508,749.45x = 198,239,789,029.55
  5. Step 5: Solve for x
    x = 198,239,789,029.55/508,749.45
  6. Step 6: Final answer
    x = 389,660.94

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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.