Home / 879,198.72-1,318,613.55-247,964.91

Finding the Fourth Proportional to 879,198.72, 1,318,613.55 and 247,964.91

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Solution

The fourth proportional to 879,198.72, 1,318,613.55 and 247,964.91 is: 371,895.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,198.72 : 1,318,613.55 = 247,964.91 : x
  2. Step 2: Convert to fraction form
    879,198.72/1,318,613.55 = 247,964.91/x
  3. Step 3: Cross multiply
    879,198.72x = 1,318,613.55 × 247,964.91
  4. Step 4: Simplify right side
    879,198.72x = 326,969,890,250.53
  5. Step 5: Solve for x
    x = 326,969,890,250.53/879,198.72
  6. Step 6: Final answer
    x = 371,895.32

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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.