Home / 966,083.80-1,449,125.70-487,786.90

Finding the Fourth Proportional to 966,083.80, 1,449,125.70 and 487,786.90

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Solution

The fourth proportional to 966,083.80, 1,449,125.70 and 487,786.90 is: 731,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,083.80 : 1,449,125.70 = 487,786.90 : x
  2. Step 2: Convert to fraction form
    966,083.80/1,449,125.70 = 487,786.90/x
  3. Step 3: Cross multiply
    966,083.80x = 1,449,125.70 × 487,786.90
  4. Step 4: Simplify right side
    966,083.80x = 706,864,532,913.33
  5. Step 5: Solve for x
    x = 706,864,532,913.33/966,083.80
  6. Step 6: Final answer
    x = 731,680.35

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Similar ratio
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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.