Home / 683,223.82-942,777.27-396,687.94

Finding the Fourth Proportional to 683,223.82, 942,777.27 and 396,687.94

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Solution

The fourth proportional to 683,223.82, 942,777.27 and 396,687.94 is: 547,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,223.82 : 942,777.27 = 396,687.94 : x
  2. Step 2: Convert to fraction form
    683,223.82/942,777.27 = 396,687.94/x
  3. Step 3: Cross multiply
    683,223.82x = 942,777.27 × 396,687.94
  4. Step 4: Simplify right side
    683,223.82x = 373,988,373,115.12
  5. Step 5: Solve for x
    x = 373,988,373,115.12/683,223.82
  6. Step 6: Final answer
    x = 547,387.78

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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.