Home / 377,534.25-520,997.40-207,764.73

Finding the Fourth Proportional to 377,534.25, 520,997.40 and 207,764.73

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Solution

The fourth proportional to 377,534.25, 520,997.40 and 207,764.73 is: 286,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,534.25 : 520,997.40 = 207,764.73 : x
  2. Step 2: Convert to fraction form
    377,534.25/520,997.40 = 207,764.73/x
  3. Step 3: Cross multiply
    377,534.25x = 520,997.40 × 207,764.73
  4. Step 4: Simplify right side
    377,534.25x = 108,244,884,141.70
  5. Step 5: Solve for x
    x = 108,244,884,141.70/377,534.25
  6. Step 6: Final answer
    x = 286,715.40

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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.