Home / 748,943.10-1,123,414.65-655,631.10

Finding the Fourth Proportional to 748,943.10, 1,123,414.65 and 655,631.10

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Solution

The fourth proportional to 748,943.10, 1,123,414.65 and 655,631.10 is: 983,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,943.10 : 1,123,414.65 = 655,631.10 : x
  2. Step 2: Convert to fraction form
    748,943.10/1,123,414.65 = 655,631.10/x
  3. Step 3: Cross multiply
    748,943.10x = 1,123,414.65 × 655,631.10
  4. Step 4: Simplify right side
    748,943.10x = 736,545,582,735.62
  5. Step 5: Solve for x
    x = 736,545,582,735.62/748,943.10
  6. Step 6: Final answer
    x = 983,446.65

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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.