Home / 879,195.04-1,318,778.13-280,148.10

Finding the Fourth Proportional to 879,195.04, 1,318,778.13 and 280,148.10

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Solution

The fourth proportional to 879,195.04, 1,318,778.13 and 280,148.10 is: 420,217.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,195.04 : 1,318,778.13 = 280,148.10 : x
  2. Step 2: Convert to fraction form
    879,195.04/1,318,778.13 = 280,148.10/x
  3. Step 3: Cross multiply
    879,195.04x = 1,318,778.13 × 280,148.10
  4. Step 4: Simplify right side
    879,195.04x = 369,453,187,441.05
  5. Step 5: Solve for x
    x = 369,453,187,441.05/879,195.04
  6. Step 6: Final answer
    x = 420,217.55

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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.