Home / 863,319.17-1,294,757.85-255,965.46

Finding the Fourth Proportional to 863,319.17, 1,294,757.85 and 255,965.46

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Solution

The fourth proportional to 863,319.17, 1,294,757.85 and 255,965.46 is: 383,882.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,319.17 : 1,294,757.85 = 255,965.46 : x
  2. Step 2: Convert to fraction form
    863,319.17/1,294,757.85 = 255,965.46/x
  3. Step 3: Cross multiply
    863,319.17x = 1,294,757.85 × 255,965.46
  4. Step 4: Simplify right side
    863,319.17x = 331,413,282,829.99
  5. Step 5: Solve for x
    x = 331,413,282,829.99/863,319.17
  6. Step 6: Final answer
    x = 383,882.69

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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.