Home / 960,170.55-1,440,643.10-427,327.13

Finding the Fourth Proportional to 960,170.55, 1,440,643.10 and 427,327.13

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Solution

The fourth proportional to 960,170.55, 1,440,643.10 and 427,327.13 is: 641,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,170.55 : 1,440,643.10 = 427,327.13 : x
  2. Step 2: Convert to fraction form
    960,170.55/1,440,643.10 = 427,327.13/x
  3. Step 3: Cross multiply
    960,170.55x = 1,440,643.10 × 427,327.13
  4. Step 4: Simplify right side
    960,170.55x = 615,625,881,277.30
  5. Step 5: Solve for x
    x = 615,625,881,277.30/960,170.55
  6. Step 6: Final answer
    x = 641,163.05

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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.