Home / 639,744.24-959,560.38-260,704.74

Finding the Fourth Proportional to 639,744.24, 959,560.38 and 260,704.74

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Solution

The fourth proportional to 639,744.24, 959,560.38 and 260,704.74 is: 391,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,744.24 : 959,560.38 = 260,704.74 : x
  2. Step 2: Convert to fraction form
    639,744.24/959,560.38 = 260,704.74/x
  3. Step 3: Cross multiply
    639,744.24x = 959,560.38 × 260,704.74
  4. Step 4: Simplify right side
    639,744.24x = 250,161,939,382.20
  5. Step 5: Solve for x
    x = 250,161,939,382.20/639,744.24
  6. Step 6: Final answer
    x = 391,034.30

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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.