Home / 735,121.20-1,101,223.80-647,446.80

Finding the Fourth Proportional to 735,121.20, 1,101,223.80 and 647,446.80

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Solution

The fourth proportional to 735,121.20, 1,101,223.80 and 647,446.80 is: 969,886.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,121.20 : 1,101,223.80 = 647,446.80 : x
  2. Step 2: Convert to fraction form
    735,121.20/1,101,223.80 = 647,446.80/x
  3. Step 3: Cross multiply
    735,121.20x = 1,101,223.80 × 647,446.80
  4. Step 4: Simplify right side
    735,121.20x = 712,983,825,393.84
  5. Step 5: Solve for x
    x = 712,983,825,393.84/735,121.20
  6. Step 6: Final answer
    x = 969,886.09

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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.