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Finding the Fourth Proportional to 898,399.80, 1,348,255.80 and 632,679.30

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Solution

The fourth proportional to 898,399.80, 1,348,255.80 and 632,679.30 is: 949,480.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,399.80 : 1,348,255.80 = 632,679.30 : x
  2. Step 2: Convert to fraction form
    898,399.80/1,348,255.80 = 632,679.30/x
  3. Step 3: Cross multiply
    898,399.80x = 1,348,255.80 × 632,679.30
  4. Step 4: Simplify right side
    898,399.80x = 853,013,535,764.94
  5. Step 5: Solve for x
    x = 853,013,535,764.94/898,399.80
  6. Step 6: Final answer
    x = 949,480.99

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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.