Home / 672,003.20-1,007,227.20-272,446.40

Finding the Fourth Proportional to 672,003.20, 1,007,227.20 and 272,446.40

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Solution

The fourth proportional to 672,003.20, 1,007,227.20 and 272,446.40 is: 408,354.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,003.20 : 1,007,227.20 = 272,446.40 : x
  2. Step 2: Convert to fraction form
    672,003.20/1,007,227.20 = 272,446.40/x
  3. Step 3: Cross multiply
    672,003.20x = 1,007,227.20 × 272,446.40
  4. Step 4: Simplify right side
    672,003.20x = 274,415,424,622.08
  5. Step 5: Solve for x
    x = 274,415,424,622.08/672,003.20
  6. Step 6: Final answer
    x = 408,354.34

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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.