Home / 754,607.59-1,131,579.19-399,538.56

Finding the Fourth Proportional to 754,607.59, 1,131,579.19 and 399,538.56

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Solution

The fourth proportional to 754,607.59, 1,131,579.19 and 399,538.56 is: 599,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,607.59 : 1,131,579.19 = 399,538.56 : x
  2. Step 2: Convert to fraction form
    754,607.59/1,131,579.19 = 399,538.56/x
  3. Step 3: Cross multiply
    754,607.59x = 1,131,579.19 × 399,538.56
  4. Step 4: Simplify right side
    754,607.59x = 452,109,520,098.57
  5. Step 5: Solve for x
    x = 452,109,520,098.57/754,607.59
  6. Step 6: Final answer
    x = 599,131.95

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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.