Home / 578,760.60-867,849.30-342,175.80

Finding the Fourth Proportional to 578,760.60, 867,849.30 and 342,175.80

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Solution

The fourth proportional to 578,760.60, 867,849.30 and 342,175.80 is: 513,091.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,760.60 : 867,849.30 = 342,175.80 : x
  2. Step 2: Convert to fraction form
    578,760.60/867,849.30 = 342,175.80/x
  3. Step 3: Cross multiply
    578,760.60x = 867,849.30 × 342,175.80
  4. Step 4: Simplify right side
    578,760.60x = 296,957,028,506.94
  5. Step 5: Solve for x
    x = 296,957,028,506.94/578,760.60
  6. Step 6: Final answer
    x = 513,091.30

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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.