Home / 2,850,353.60-4,275,530.88-720,443.84

Finding the Fourth Proportional to 2,850,353.60, 4,275,530.88 and 720,443.84

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Solution

The fourth proportional to 2,850,353.60, 4,275,530.88 and 720,443.84 is: 1,080,665.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,353.60 : 4,275,530.88 = 720,443.84 : x
  2. Step 2: Convert to fraction form
    2,850,353.60/4,275,530.88 = 720,443.84/x
  3. Step 3: Cross multiply
    2,850,353.60x = 4,275,530.88 × 720,443.84
  4. Step 4: Simplify right side
    2,850,353.60x = 3,080,279,885,225.78
  5. Step 5: Solve for x
    x = 3,080,279,885,225.78/2,850,353.60
  6. Step 6: Final answer
    x = 1,080,665.88

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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.