Home / 758,685.17-1,138,589.04-359,326.64

Finding the Fourth Proportional to 758,685.17, 1,138,589.04 and 359,326.64

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Solution

The fourth proportional to 758,685.17, 1,138,589.04 and 359,326.64 is: 539,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,685.17 : 1,138,589.04 = 359,326.64 : x
  2. Step 2: Convert to fraction form
    758,685.17/1,138,589.04 = 359,326.64/x
  3. Step 3: Cross multiply
    758,685.17x = 1,138,589.04 × 359,326.64
  4. Step 4: Simplify right side
    758,685.17x = 409,125,374,084.03
  5. Step 5: Solve for x
    x = 409,125,374,084.03/758,685.17
  6. Step 6: Final answer
    x = 539,255.79

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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.