Home / 827,471.70-1,241,207.60-266,506.20

Finding the Fourth Proportional to 827,471.70, 1,241,207.60 and 266,506.20

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Solution

The fourth proportional to 827,471.70, 1,241,207.60 and 266,506.20 is: 399,759.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,471.70 : 1,241,207.60 = 266,506.20 : x
  2. Step 2: Convert to fraction form
    827,471.70/1,241,207.60 = 266,506.20/x
  3. Step 3: Cross multiply
    827,471.70x = 1,241,207.60 × 266,506.20
  4. Step 4: Simplify right side
    827,471.70x = 330,789,520,887.12
  5. Step 5: Solve for x
    x = 330,789,520,887.12/827,471.70
  6. Step 6: Final answer
    x = 399,759.32

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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.