Home / 960,072.55-1,440,103.62-391,451.44

Finding the Fourth Proportional to 960,072.55, 1,440,103.62 and 391,451.44

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Solution

The fourth proportional to 960,072.55, 1,440,103.62 and 391,451.44 is: 587,175.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,072.55 : 1,440,103.62 = 391,451.44 : x
  2. Step 2: Convert to fraction form
    960,072.55/1,440,103.62 = 391,451.44/x
  3. Step 3: Cross multiply
    960,072.55x = 1,440,103.62 × 391,451.44
  4. Step 4: Simplify right side
    960,072.55x = 563,730,635,798.21
  5. Step 5: Solve for x
    x = 563,730,635,798.21/960,072.55
  6. Step 6: Final answer
    x = 587,175.04

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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.