Home / 862,767.12-1,294,153.86-263,725.95

Finding the Fourth Proportional to 862,767.12, 1,294,153.86 and 263,725.95

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Solution

The fourth proportional to 862,767.12, 1,294,153.86 and 263,725.95 is: 395,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,767.12 : 1,294,153.86 = 263,725.95 : x
  2. Step 2: Convert to fraction form
    862,767.12/1,294,153.86 = 263,725.95/x
  3. Step 3: Cross multiply
    862,767.12x = 1,294,153.86 × 263,725.95
  4. Step 4: Simplify right side
    862,767.12x = 341,301,956,174.67
  5. Step 5: Solve for x
    x = 341,301,956,174.67/862,767.12
  6. Step 6: Final answer
    x = 395,589.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.