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Finding the Fourth Proportional to 485,382.54, 669,850.72 and 270,524.10

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Solution

The fourth proportional to 485,382.54, 669,850.72 and 270,524.10 is: 373,335.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,382.54 : 669,850.72 = 270,524.10 : x
  2. Step 2: Convert to fraction form
    485,382.54/669,850.72 = 270,524.10/x
  3. Step 3: Cross multiply
    485,382.54x = 669,850.72 × 270,524.10
  4. Step 4: Simplify right side
    485,382.54x = 181,210,763,162.35
  5. Step 5: Solve for x
    x = 181,210,763,162.35/485,382.54
  6. Step 6: Final answer
    x = 373,335.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.