Home / 729,175.48-1,005,996.36-453,515.20

Finding the Fourth Proportional to 729,175.48, 1,005,996.36 and 453,515.20

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Solution

The fourth proportional to 729,175.48, 1,005,996.36 and 453,515.20 is: 625,685.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,175.48 : 1,005,996.36 = 453,515.20 : x
  2. Step 2: Convert to fraction form
    729,175.48/1,005,996.36 = 453,515.20/x
  3. Step 3: Cross multiply
    729,175.48x = 1,005,996.36 × 453,515.20
  4. Step 4: Simplify right side
    729,175.48x = 456,234,640,404.67
  5. Step 5: Solve for x
    x = 456,234,640,404.67/729,175.48
  6. Step 6: Final answer
    x = 625,685.66

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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.