Home / 499,377.29-689,147.53-295,422.96

Finding the Fourth Proportional to 499,377.29, 689,147.53 and 295,422.96

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Solution

The fourth proportional to 499,377.29, 689,147.53 and 295,422.96 is: 407,687.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,377.29 : 689,147.53 = 295,422.96 : x
  2. Step 2: Convert to fraction form
    499,377.29/689,147.53 = 295,422.96/x
  3. Step 3: Cross multiply
    499,377.29x = 689,147.53 × 295,422.96
  4. Step 4: Simplify right side
    499,377.29x = 203,590,005,035.04
  5. Step 5: Solve for x
    x = 203,590,005,035.04/499,377.29
  6. Step 6: Final answer
    x = 407,687.76

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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.