Home / 747,976.44-1,121,964.72-187,010.94

Finding the Fourth Proportional to 747,976.44, 1,121,964.72 and 187,010.94

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Solution

The fourth proportional to 747,976.44, 1,121,964.72 and 187,010.94 is: 280,516.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,976.44 : 1,121,964.72 = 187,010.94 : x
  2. Step 2: Convert to fraction form
    747,976.44/1,121,964.72 = 187,010.94/x
  3. Step 3: Cross multiply
    747,976.44x = 1,121,964.72 × 187,010.94
  4. Step 4: Simplify right side
    747,976.44x = 209,819,676,934.04
  5. Step 5: Solve for x
    x = 209,819,676,934.04/747,976.44
  6. Step 6: Final answer
    x = 280,516.43

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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.