Home / 750,073.20-1,125,109.76-329,352.72

Finding the Fourth Proportional to 750,073.20, 1,125,109.76 and 329,352.72

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Solution

The fourth proportional to 750,073.20, 1,125,109.76 and 329,352.72 is: 494,029.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,073.20 : 1,125,109.76 = 329,352.72 : x
  2. Step 2: Convert to fraction form
    750,073.20/1,125,109.76 = 329,352.72/x
  3. Step 3: Cross multiply
    750,073.20x = 1,125,109.76 × 329,352.72
  4. Step 4: Simplify right side
    750,073.20x = 370,557,959,754.55
  5. Step 5: Solve for x
    x = 370,557,959,754.55/750,073.20
  6. Step 6: Final answer
    x = 494,029.06

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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.