Home / 747,974.45-1,121,961.68-187,008.95

Finding the Fourth Proportional to 747,974.45, 1,121,961.68 and 187,008.95

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Solution

The fourth proportional to 747,974.45, 1,121,961.68 and 187,008.95 is: 280,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,974.45 : 1,121,961.68 = 187,008.95 : x
  2. Step 2: Convert to fraction form
    747,974.45/1,121,961.68 = 187,008.95/x
  3. Step 3: Cross multiply
    747,974.45x = 1,121,961.68 × 187,008.95
  4. Step 4: Simplify right side
    747,974.45x = 209,816,878,288.18
  5. Step 5: Solve for x
    x = 209,816,878,288.18/747,974.45
  6. Step 6: Final answer
    x = 280,513.43

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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.