Home / 773,350.91-1,159,876.10-388,997.40

Finding the Fourth Proportional to 773,350.91, 1,159,876.10 and 388,997.40

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Solution

The fourth proportional to 773,350.91, 1,159,876.10 and 388,997.40 is: 583,420.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,350.91 : 1,159,876.10 = 388,997.40 : x
  2. Step 2: Convert to fraction form
    773,350.91/1,159,876.10 = 388,997.40/x
  3. Step 3: Cross multiply
    773,350.91x = 1,159,876.10 × 388,997.40
  4. Step 4: Simplify right side
    773,350.91x = 451,188,785,277.15
  5. Step 5: Solve for x
    x = 451,188,785,277.15/773,350.91
  6. Step 6: Final answer
    x = 583,420.52

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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.