Home / 966,090.80-1,449,136.20-487,793.90

Finding the Fourth Proportional to 966,090.80, 1,449,136.20 and 487,793.90

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Solution

The fourth proportional to 966,090.80, 1,449,136.20 and 487,793.90 is: 731,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,090.80 : 1,449,136.20 = 487,793.90 : x
  2. Step 2: Convert to fraction form
    966,090.80/1,449,136.20 = 487,793.90/x
  3. Step 3: Cross multiply
    966,090.80x = 1,449,136.20 × 487,793.90
  4. Step 4: Simplify right side
    966,090.80x = 706,879,798,629.18
  5. Step 5: Solve for x
    x = 706,879,798,629.18/966,090.80
  6. Step 6: Final answer
    x = 731,690.85

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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.