Home / 960,080.94-1,440,116.18-391,459.83

Finding the Fourth Proportional to 960,080.94, 1,440,116.18 and 391,459.83

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Solution

The fourth proportional to 960,080.94, 1,440,116.18 and 391,459.83 is: 587,187.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,080.94 : 1,440,116.18 = 391,459.83 : x
  2. Step 2: Convert to fraction form
    960,080.94/1,440,116.18 = 391,459.83/x
  3. Step 3: Cross multiply
    960,080.94x = 1,440,116.18 × 391,459.83
  4. Step 4: Simplify right side
    960,080.94x = 563,747,633,045.75
  5. Step 5: Solve for x
    x = 563,747,633,045.75/960,080.94
  6. Step 6: Final answer
    x = 587,187.61

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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.