Home / 724,664.88-1,086,008.92-275,145.04

Finding the Fourth Proportional to 724,664.88, 1,086,008.92 and 275,145.04

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Solution

The fourth proportional to 724,664.88, 1,086,008.92 and 275,145.04 is: 412,342.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,664.88 : 1,086,008.92 = 275,145.04 : x
  2. Step 2: Convert to fraction form
    724,664.88/1,086,008.92 = 275,145.04/x
  3. Step 3: Cross multiply
    724,664.88x = 1,086,008.92 × 275,145.04
  4. Step 4: Simplify right side
    724,664.88x = 298,809,967,733.76
  5. Step 5: Solve for x
    x = 298,809,967,733.76/724,664.88
  6. Step 6: Final answer
    x = 412,342.28

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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.