Home / 725,998.95-1,088,997.75-220,557.87

Finding the Fourth Proportional to 725,998.95, 1,088,997.75 and 220,557.87

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Solution

The fourth proportional to 725,998.95, 1,088,997.75 and 220,557.87 is: 330,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,998.95 : 1,088,997.75 = 220,557.87 : x
  2. Step 2: Convert to fraction form
    725,998.95/1,088,997.75 = 220,557.87/x
  3. Step 3: Cross multiply
    725,998.95x = 1,088,997.75 × 220,557.87
  4. Step 4: Simplify right side
    725,998.95x = 240,187,024,174.79
  5. Step 5: Solve for x
    x = 240,187,024,174.79/725,998.95
  6. Step 6: Final answer
    x = 330,836.60

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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.