Home / 863,991.30-1,192,374.90-476,882.58

Finding the Fourth Proportional to 863,991.30, 1,192,374.90 and 476,882.58

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Solution

The fourth proportional to 863,991.30, 1,192,374.90 and 476,882.58 is: 658,134.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,991.30 : 1,192,374.90 = 476,882.58 : x
  2. Step 2: Convert to fraction form
    863,991.30/1,192,374.90 = 476,882.58/x
  3. Step 3: Cross multiply
    863,991.30x = 1,192,374.90 × 476,882.58
  4. Step 4: Simplify right side
    863,991.30x = 568,622,818,639.24
  5. Step 5: Solve for x
    x = 568,622,818,639.24/863,991.30
  6. Step 6: Final answer
    x = 658,134.89

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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.