Home / 960,170.80-1,440,643.48-427,327.38

Finding the Fourth Proportional to 960,170.80, 1,440,643.48 and 427,327.38

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Solution

The fourth proportional to 960,170.80, 1,440,643.48 and 427,327.38 is: 641,163.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,170.80 : 1,440,643.48 = 427,327.38 : x
  2. Step 2: Convert to fraction form
    960,170.80/1,440,643.48 = 427,327.38/x
  3. Step 3: Cross multiply
    960,170.80x = 1,440,643.48 × 427,327.38
  4. Step 4: Simplify right side
    960,170.80x = 615,626,401,685.85
  5. Step 5: Solve for x
    x = 615,626,401,685.85/960,170.80
  6. Step 6: Final answer
    x = 641,163.43

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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.