Home / 747,972.98-1,121,959.46-187,007.48

Finding the Fourth Proportional to 747,972.98, 1,121,959.46 and 187,007.48

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Solution

The fourth proportional to 747,972.98, 1,121,959.46 and 187,007.48 is: 280,511.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,972.98 : 1,121,959.46 = 187,007.48 : x
  2. Step 2: Convert to fraction form
    747,972.98/1,121,959.46 = 187,007.48/x
  3. Step 3: Cross multiply
    747,972.98x = 1,121,959.46 × 187,007.48
  4. Step 4: Simplify right side
    747,972.98x = 209,814,804,731.93
  5. Step 5: Solve for x
    x = 209,814,804,731.93/747,972.98
  6. Step 6: Final answer
    x = 280,511.21

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Similar ratio
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1.5x scale

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.