Home / 502,778.28-693,761.79-295,923.72

Finding the Fourth Proportional to 502,778.28, 693,761.79 and 295,923.72

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Solution

The fourth proportional to 502,778.28, 693,761.79 and 295,923.72 is: 408,332.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,778.28 : 693,761.79 = 295,923.72 : x
  2. Step 2: Convert to fraction form
    502,778.28/693,761.79 = 295,923.72/x
  3. Step 3: Cross multiply
    502,778.28x = 693,761.79 × 295,923.72
  4. Step 4: Simplify right side
    502,778.28x = 205,300,569,690.66
  5. Step 5: Solve for x
    x = 205,300,569,690.66/502,778.28
  6. Step 6: Final answer
    x = 408,332.22

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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.