Home / 520,230.50-717,976.44-293,890.58

Finding the Fourth Proportional to 520,230.50, 717,976.44 and 293,890.58

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Solution

The fourth proportional to 520,230.50, 717,976.44 and 293,890.58 is: 405,601.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,230.50 : 717,976.44 = 293,890.58 : x
  2. Step 2: Convert to fraction form
    520,230.50/717,976.44 = 293,890.58/x
  3. Step 3: Cross multiply
    520,230.50x = 717,976.44 × 293,890.58
  4. Step 4: Simplify right side
    520,230.50x = 211,006,512,377.94
  5. Step 5: Solve for x
    x = 211,006,512,377.94/520,230.50
  6. Step 6: Final answer
    x = 405,601.96

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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.