Home / 748,440.92-1,033,941.30-647,663.96

Finding the Fourth Proportional to 748,440.92, 1,033,941.30 and 647,663.96

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Solution

The fourth proportional to 748,440.92, 1,033,941.30 and 647,663.96 is: 894,721.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,440.92 : 1,033,941.30 = 647,663.96 : x
  2. Step 2: Convert to fraction form
    748,440.92/1,033,941.30 = 647,663.96/x
  3. Step 3: Cross multiply
    748,440.92x = 1,033,941.30 × 647,663.96
  4. Step 4: Simplify right side
    748,440.92x = 669,646,516,765.55
  5. Step 5: Solve for x
    x = 669,646,516,765.55/748,440.92
  6. Step 6: Final answer
    x = 894,721.95

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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.