Home / 695,805.80-1,043,379.70-269,541.28

Finding the Fourth Proportional to 695,805.80, 1,043,379.70 and 269,541.28

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Solution

The fourth proportional to 695,805.80, 1,043,379.70 and 269,541.28 is: 404,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,805.80 : 1,043,379.70 = 269,541.28 : x
  2. Step 2: Convert to fraction form
    695,805.80/1,043,379.70 = 269,541.28/x
  3. Step 3: Cross multiply
    695,805.80x = 1,043,379.70 × 269,541.28
  4. Step 4: Simplify right side
    695,805.80x = 281,233,899,864.02
  5. Step 5: Solve for x
    x = 281,233,899,864.02/695,805.80
  6. Step 6: Final answer
    x = 404,184.47

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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.