Home / 747,973.97-1,121,960.96-187,008.47

Finding the Fourth Proportional to 747,973.97, 1,121,960.96 and 187,008.47

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Solution

The fourth proportional to 747,973.97, 1,121,960.96 and 187,008.47 is: 280,512.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,973.97 : 1,121,960.96 = 187,008.47 : x
  2. Step 2: Convert to fraction form
    747,973.97/1,121,960.96 = 187,008.47/x
  3. Step 3: Cross multiply
    747,973.97x = 1,121,960.96 × 187,008.47
  4. Step 4: Simplify right side
    747,973.97x = 209,816,204,399.19
  5. Step 5: Solve for x
    x = 209,816,204,399.19/747,973.97
  6. Step 6: Final answer
    x = 280,512.71

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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.