Home / 757,760.88-1,045,705-418,229.16

Finding the Fourth Proportional to 757,760.88, 1,045,705 and 418,229.16

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Solution

The fourth proportional to 757,760.88, 1,045,705 and 418,229.16 is: 577,153.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,760.88 : 1,045,705 = 418,229.16 : x
  2. Step 2: Convert to fraction form
    757,760.88/1,045,705 = 418,229.16/x
  3. Step 3: Cross multiply
    757,760.88x = 1,045,705 × 418,229.16
  4. Step 4: Simplify right side
    757,760.88x = 437,344,323,757.80
  5. Step 5: Solve for x
    x = 437,344,323,757.80/757,760.88
  6. Step 6: Final answer
    x = 577,153.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.