Home / 578,821.96-868,529.25-275,559.18

Finding the Fourth Proportional to 578,821.96, 868,529.25 and 275,559.18

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Solution

The fourth proportional to 578,821.96, 868,529.25 and 275,559.18 is: 413,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,821.96 : 868,529.25 = 275,559.18 : x
  2. Step 2: Convert to fraction form
    578,821.96/868,529.25 = 275,559.18/x
  3. Step 3: Cross multiply
    578,821.96x = 868,529.25 × 275,559.18
  4. Step 4: Simplify right side
    578,821.96x = 239,331,203,593.37
  5. Step 5: Solve for x
    x = 239,331,203,593.37/578,821.96
  6. Step 6: Final answer
    x = 413,479.83

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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.