Home / 672,760.04-1,009,278.48-273,399.92

Finding the Fourth Proportional to 672,760.04, 1,009,278.48 and 273,399.92

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Solution

The fourth proportional to 672,760.04, 1,009,278.48 and 273,399.92 is: 410,156.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,760.04 : 1,009,278.48 = 273,399.92 : x
  2. Step 2: Convert to fraction form
    672,760.04/1,009,278.48 = 273,399.92/x
  3. Step 3: Cross multiply
    672,760.04x = 1,009,278.48 × 273,399.92
  4. Step 4: Simplify right side
    672,760.04x = 275,936,655,689.72
  5. Step 5: Solve for x
    x = 275,936,655,689.72/672,760.04
  6. Step 6: Final answer
    x = 410,156.13

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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.