Home / 498,498.24-687,846.40-294,520.96

Finding the Fourth Proportional to 498,498.24, 687,846.40 and 294,520.96

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Solution

The fourth proportional to 498,498.24, 687,846.40 and 294,520.96 is: 406,390.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,498.24 : 687,846.40 = 294,520.96 : x
  2. Step 2: Convert to fraction form
    498,498.24/687,846.40 = 294,520.96/x
  3. Step 3: Cross multiply
    498,498.24x = 687,846.40 × 294,520.96
  4. Step 4: Simplify right side
    498,498.24x = 202,585,182,060.54
  5. Step 5: Solve for x
    x = 202,585,182,060.54/498,498.24
  6. Step 6: Final answer
    x = 406,390.97

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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.