Home / 748,081.28-1,123,782.83-463,981.88

Finding the Fourth Proportional to 748,081.28, 1,123,782.83 and 463,981.88

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Solution

The fourth proportional to 748,081.28, 1,123,782.83 and 463,981.88 is: 697,002.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,081.28 : 1,123,782.83 = 463,981.88 : x
  2. Step 2: Convert to fraction form
    748,081.28/1,123,782.83 = 463,981.88/x
  3. Step 3: Cross multiply
    748,081.28x = 1,123,782.83 × 463,981.88
  4. Step 4: Simplify right side
    748,081.28x = 521,414,862,236.30
  5. Step 5: Solve for x
    x = 521,414,862,236.30/748,081.28
  6. Step 6: Final answer
    x = 697,002.96

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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.