Home / 668,523.66-1,002,801.90-219,226.38

Finding the Fourth Proportional to 668,523.66, 1,002,801.90 and 219,226.38

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Solution

The fourth proportional to 668,523.66, 1,002,801.90 and 219,226.38 is: 328,844.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,523.66 : 1,002,801.90 = 219,226.38 : x
  2. Step 2: Convert to fraction form
    668,523.66/1,002,801.90 = 219,226.38/x
  3. Step 3: Cross multiply
    668,523.66x = 1,002,801.90 × 219,226.38
  4. Step 4: Simplify right side
    668,523.66x = 219,840,630,394.12
  5. Step 5: Solve for x
    x = 219,840,630,394.12/668,523.66
  6. Step 6: Final answer
    x = 328,844.95

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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.