Home / 676,651.53-1,014,659.37-392,422.80

Finding the Fourth Proportional to 676,651.53, 1,014,659.37 and 392,422.80

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Solution

The fourth proportional to 676,651.53, 1,014,659.37 and 392,422.80 is: 588,449.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,651.53 : 1,014,659.37 = 392,422.80 : x
  2. Step 2: Convert to fraction form
    676,651.53/1,014,659.37 = 392,422.80/x
  3. Step 3: Cross multiply
    676,651.53x = 1,014,659.37 × 392,422.80
  4. Step 4: Simplify right side
    676,651.53x = 398,175,471,021.64
  5. Step 5: Solve for x
    x = 398,175,471,021.64/676,651.53
  6. Step 6: Final answer
    x = 588,449.82

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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.