Home / 695,405.80-1,042,610.55-268,576.30

Finding the Fourth Proportional to 695,405.80, 1,042,610.55 and 268,576.30

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Solution

The fourth proportional to 695,405.80, 1,042,610.55 and 268,576.30 is: 402,672.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,405.80 : 1,042,610.55 = 268,576.30 : x
  2. Step 2: Convert to fraction form
    695,405.80/1,042,610.55 = 268,576.30/x
  3. Step 3: Cross multiply
    695,405.80x = 1,042,610.55 × 268,576.30
  4. Step 4: Simplify right side
    695,405.80x = 280,020,483,859.97
  5. Step 5: Solve for x
    x = 280,020,483,859.97/695,405.80
  6. Step 6: Final answer
    x = 402,672.06

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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.