Home / 2,850,348.60-4,275,523.38-720,438.84

Finding the Fourth Proportional to 2,850,348.60, 4,275,523.38 and 720,438.84

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Solution

The fourth proportional to 2,850,348.60, 4,275,523.38 and 720,438.84 is: 1,080,658.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,348.60 : 4,275,523.38 = 720,438.84 : x
  2. Step 2: Convert to fraction form
    2,850,348.60/4,275,523.38 = 720,438.84/x
  3. Step 3: Cross multiply
    2,850,348.60x = 4,275,523.38 × 720,438.84
  4. Step 4: Simplify right side
    2,850,348.60x = 3,080,253,104,280.08
  5. Step 5: Solve for x
    x = 3,080,253,104,280.08/2,850,348.60
  6. Step 6: Final answer
    x = 1,080,658.38

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Double scale
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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.