Home / 694,713.66-1,042,088.13-189,278.70

Finding the Fourth Proportional to 694,713.66, 1,042,088.13 and 189,278.70

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Solution

The fourth proportional to 694,713.66, 1,042,088.13 and 189,278.70 is: 283,922.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,713.66 : 1,042,088.13 = 189,278.70 : x
  2. Step 2: Convert to fraction form
    694,713.66/1,042,088.13 = 189,278.70/x
  3. Step 3: Cross multiply
    694,713.66x = 1,042,088.13 × 189,278.70
  4. Step 4: Simplify right side
    694,713.66x = 197,245,086,531.83
  5. Step 5: Solve for x
    x = 197,245,086,531.83/694,713.66
  6. Step 6: Final answer
    x = 283,922.86

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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.