Home / 748,052.20-1,120,498.80-495,453.70

Finding the Fourth Proportional to 748,052.20, 1,120,498.80 and 495,453.70

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Solution

The fourth proportional to 748,052.20, 1,120,498.80 and 495,453.70 is: 742,134.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,052.20 : 1,120,498.80 = 495,453.70 : x
  2. Step 2: Convert to fraction form
    748,052.20/1,120,498.80 = 495,453.70/x
  3. Step 3: Cross multiply
    748,052.20x = 1,120,498.80 × 495,453.70
  4. Step 4: Simplify right side
    748,052.20x = 555,155,276,305.56
  5. Step 5: Solve for x
    x = 555,155,276,305.56/748,052.20
  6. Step 6: Final answer
    x = 742,134.41

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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.