Home / 578,429.80-867,612.30-179,067.40

Finding the Fourth Proportional to 578,429.80, 867,612.30 and 179,067.40

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Solution

The fourth proportional to 578,429.80, 867,612.30 and 179,067.40 is: 268,591.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,429.80 : 867,612.30 = 179,067.40 : x
  2. Step 2: Convert to fraction form
    578,429.80/867,612.30 = 179,067.40/x
  3. Step 3: Cross multiply
    578,429.80x = 867,612.30 × 179,067.40
  4. Step 4: Simplify right side
    578,429.80x = 155,361,078,769.02
  5. Step 5: Solve for x
    x = 155,361,078,769.02/578,429.80
  6. Step 6: Final answer
    x = 268,591.07

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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.