Home / 748,606.17-1,123,002.45-293,138.61

Finding the Fourth Proportional to 748,606.17, 1,123,002.45 and 293,138.61

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Solution

The fourth proportional to 748,606.17, 1,123,002.45 and 293,138.61 is: 439,744.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,606.17 : 1,123,002.45 = 293,138.61 : x
  2. Step 2: Convert to fraction form
    748,606.17/1,123,002.45 = 293,138.61/x
  3. Step 3: Cross multiply
    748,606.17x = 1,123,002.45 × 293,138.61
  4. Step 4: Simplify right side
    748,606.17x = 329,195,377,219.60
  5. Step 5: Solve for x
    x = 329,195,377,219.60/748,606.17
  6. Step 6: Final answer
    x = 439,744.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.