Home / 966,074.80-1,449,112.20-487,777.90

Finding the Fourth Proportional to 966,074.80, 1,449,112.20 and 487,777.90

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Solution

The fourth proportional to 966,074.80, 1,449,112.20 and 487,777.90 is: 731,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,074.80 : 1,449,112.20 = 487,777.90 : x
  2. Step 2: Convert to fraction form
    966,074.80/1,449,112.20 = 487,777.90/x
  3. Step 3: Cross multiply
    966,074.80x = 1,449,112.20 × 487,777.90
  4. Step 4: Simplify right side
    966,074.80x = 706,844,905,780.38
  5. Step 5: Solve for x
    x = 706,844,905,780.38/966,074.80
  6. Step 6: Final answer
    x = 731,666.85

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Double scale
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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.