Home / 754,234.40-1,040,843.28-414,724.64

Finding the Fourth Proportional to 754,234.40, 1,040,843.28 and 414,724.64

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Solution

The fourth proportional to 754,234.40, 1,040,843.28 and 414,724.64 is: 572,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,234.40 : 1,040,843.28 = 414,724.64 : x
  2. Step 2: Convert to fraction form
    754,234.40/1,040,843.28 = 414,724.64/x
  3. Step 3: Cross multiply
    754,234.40x = 1,040,843.28 × 414,724.64
  4. Step 4: Simplify right side
    754,234.40x = 431,663,354,594.42
  5. Step 5: Solve for x
    x = 431,663,354,594.42/754,234.40
  6. Step 6: Final answer
    x = 572,319.90

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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.