Home / 748,442.92-1,033,944.06-647,665.96

Finding the Fourth Proportional to 748,442.92, 1,033,944.06 and 647,665.96

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Solution

The fourth proportional to 748,442.92, 1,033,944.06 and 647,665.96 is: 894,724.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,442.92 : 1,033,944.06 = 647,665.96 : x
  2. Step 2: Convert to fraction form
    748,442.92/1,033,944.06 = 647,665.96/x
  3. Step 3: Cross multiply
    748,442.92x = 1,033,944.06 × 647,665.96
  4. Step 4: Simplify right side
    748,442.92x = 669,650,372,206.20
  5. Step 5: Solve for x
    x = 669,650,372,206.20/748,442.92
  6. Step 6: Final answer
    x = 894,724.71

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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.