Home / 442,731.42-664,211.34-205,796.70

Finding the Fourth Proportional to 442,731.42, 664,211.34 and 205,796.70

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Solution

The fourth proportional to 442,731.42, 664,211.34 and 205,796.70 is: 308,748.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,731.42 : 664,211.34 = 205,796.70 : x
  2. Step 2: Convert to fraction form
    442,731.42/664,211.34 = 205,796.70/x
  3. Step 3: Cross multiply
    442,731.42x = 664,211.34 × 205,796.70
  4. Step 4: Simplify right side
    442,731.42x = 136,692,501,874.58
  5. Step 5: Solve for x
    x = 136,692,501,874.58/442,731.42
  6. Step 6: Final answer
    x = 308,748.14

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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.