Home / 648,780.44-895,318.92-362,311.38

Finding the Fourth Proportional to 648,780.44, 895,318.92 and 362,311.38

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Solution

The fourth proportional to 648,780.44, 895,318.92 and 362,311.38 is: 499,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,780.44 : 895,318.92 = 362,311.38 : x
  2. Step 2: Convert to fraction form
    648,780.44/895,318.92 = 362,311.38/x
  3. Step 3: Cross multiply
    648,780.44x = 895,318.92 × 362,311.38
  4. Step 4: Simplify right side
    648,780.44x = 324,384,233,445.31
  5. Step 5: Solve for x
    x = 324,384,233,445.31/648,780.44
  6. Step 6: Final answer
    x = 499,990.78

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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.