Home / 980,999.38-1,471,872.67-341,374.18

Finding the Fourth Proportional to 980,999.38, 1,471,872.67 and 341,374.18

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Solution

The fourth proportional to 980,999.38, 1,471,872.67 and 341,374.18 is: 512,191.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,999.38 : 1,471,872.67 = 341,374.18 : x
  2. Step 2: Convert to fraction form
    980,999.38/1,471,872.67 = 341,374.18/x
  3. Step 3: Cross multiply
    980,999.38x = 1,471,872.67 × 341,374.18
  4. Step 4: Simplify right side
    980,999.38x = 502,459,325,785.66
  5. Step 5: Solve for x
    x = 502,459,325,785.66/980,999.38
  6. Step 6: Final answer
    x = 512,191.28

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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.