Home / 747,972.47-1,121,958.71-187,006.97

Finding the Fourth Proportional to 747,972.47, 1,121,958.71 and 187,006.97

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Solution

The fourth proportional to 747,972.47, 1,121,958.71 and 187,006.97 is: 280,510.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,972.47 : 1,121,958.71 = 187,006.97 : x
  2. Step 2: Convert to fraction form
    747,972.47/1,121,958.71 = 187,006.97/x
  3. Step 3: Cross multiply
    747,972.47x = 1,121,958.71 × 187,006.97
  4. Step 4: Simplify right side
    747,972.47x = 209,814,100,692.07
  5. Step 5: Solve for x
    x = 209,814,100,692.07/747,972.47
  6. Step 6: Final answer
    x = 280,510.46

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Double scale
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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.