Home / 757,279.56-1,045,049.22-417,747.72

Finding the Fourth Proportional to 757,279.56, 1,045,049.22 and 417,747.72

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Solution

The fourth proportional to 757,279.56, 1,045,049.22 and 417,747.72 is: 576,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,279.56 : 1,045,049.22 = 417,747.72 : x
  2. Step 2: Convert to fraction form
    757,279.56/1,045,049.22 = 417,747.72/x
  3. Step 3: Cross multiply
    757,279.56x = 1,045,049.22 × 417,747.72
  4. Step 4: Simplify right side
    757,279.56x = 436,566,928,942.78
  5. Step 5: Solve for x
    x = 436,566,928,942.78/757,279.56
  6. Step 6: Final answer
    x = 576,493.74

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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.