Home / 676,853.52-1,015,282.68-171,414.36

Finding the Fourth Proportional to 676,853.52, 1,015,282.68 and 171,414.36

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Solution

The fourth proportional to 676,853.52, 1,015,282.68 and 171,414.36 is: 257,122.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,853.52 : 1,015,282.68 = 171,414.36 : x
  2. Step 2: Convert to fraction form
    676,853.52/1,015,282.68 = 171,414.36/x
  3. Step 3: Cross multiply
    676,853.52x = 1,015,282.68 × 171,414.36
  4. Step 4: Simplify right side
    676,853.52x = 174,034,030,811.29
  5. Step 5: Solve for x
    x = 174,034,030,811.29/676,853.52
  6. Step 6: Final answer
    x = 257,122.15

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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.