Home / 920,372.00-1,380,767.13-280,732.95

Finding the Fourth Proportional to 920,372.00, 1,380,767.13 and 280,732.95

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Solution

The fourth proportional to 920,372.00, 1,380,767.13 and 280,732.95 is: 421,163.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,372.00 : 1,380,767.13 = 280,732.95 : x
  2. Step 2: Convert to fraction form
    920,372.00/1,380,767.13 = 280,732.95/x
  3. Step 3: Cross multiply
    920,372.00x = 1,380,767.13 × 280,732.95
  4. Step 4: Simplify right side
    920,372.00x = 387,626,829,667.93
  5. Step 5: Solve for x
    x = 387,626,829,667.93/920,372.00
  6. Step 6: Final answer
    x = 421,163.22

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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.