Home / 753,758.32-1,040,137.56-431,470.96

Finding the Fourth Proportional to 753,758.32, 1,040,137.56 and 431,470.96

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Solution

The fourth proportional to 753,758.32, 1,040,137.56 and 431,470.96 is: 595,401.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,758.32 : 1,040,137.56 = 431,470.96 : x
  2. Step 2: Convert to fraction form
    753,758.32/1,040,137.56 = 431,470.96/x
  3. Step 3: Cross multiply
    753,758.32x = 1,040,137.56 × 431,470.96
  4. Step 4: Simplify right side
    753,758.32x = 448,789,151,545.26
  5. Step 5: Solve for x
    x = 448,789,151,545.26/753,758.32
  6. Step 6: Final answer
    x = 595,401.92

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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.