Home / 479,439.84-661,626.28-264,579.92

Finding the Fourth Proportional to 479,439.84, 661,626.28 and 264,579.92

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Solution

The fourth proportional to 479,439.84, 661,626.28 and 264,579.92 is: 365,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,439.84 : 661,626.28 = 264,579.92 : x
  2. Step 2: Convert to fraction form
    479,439.84/661,626.28 = 264,579.92/x
  3. Step 3: Cross multiply
    479,439.84x = 661,626.28 × 264,579.92
  4. Step 4: Simplify right side
    479,439.84x = 175,053,028,232.30
  5. Step 5: Solve for x
    x = 175,053,028,232.30/479,439.84
  6. Step 6: Final answer
    x = 365,119.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.