Home / 672,008.20-1,007,234.70-272,451.40

Finding the Fourth Proportional to 672,008.20, 1,007,234.70 and 272,451.40

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Solution

The fourth proportional to 672,008.20, 1,007,234.70 and 272,451.40 is: 408,361.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,008.20 : 1,007,234.70 = 272,451.40 : x
  2. Step 2: Convert to fraction form
    672,008.20/1,007,234.70 = 272,451.40/x
  3. Step 3: Cross multiply
    672,008.20x = 1,007,234.70 × 272,451.40
  4. Step 4: Simplify right side
    672,008.20x = 274,422,504,143.58
  5. Step 5: Solve for x
    x = 274,422,504,143.58/672,008.20
  6. Step 6: Final answer
    x = 408,361.84

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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.