Home / 493,165.20-680,603.94-278,324.04

Finding the Fourth Proportional to 493,165.20, 680,603.94 and 278,324.04

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Solution

The fourth proportional to 493,165.20, 680,603.94 and 278,324.04 is: 384,107.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,165.20 : 680,603.94 = 278,324.04 : x
  2. Step 2: Convert to fraction form
    493,165.20/680,603.94 = 278,324.04/x
  3. Step 3: Cross multiply
    493,165.20x = 680,603.94 × 278,324.04
  4. Step 4: Simplify right side
    493,165.20x = 189,428,438,220.72
  5. Step 5: Solve for x
    x = 189,428,438,220.72/493,165.20
  6. Step 6: Final answer
    x = 384,107.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.