Home / 722,353.75-996,904.26-400,093.83

Finding the Fourth Proportional to 722,353.75, 996,904.26 and 400,093.83

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Solution

The fourth proportional to 722,353.75, 996,904.26 and 400,093.83 is: 552,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,353.75 : 996,904.26 = 400,093.83 : x
  2. Step 2: Convert to fraction form
    722,353.75/996,904.26 = 400,093.83/x
  3. Step 3: Cross multiply
    722,353.75x = 996,904.26 × 400,093.83
  4. Step 4: Simplify right side
    722,353.75x = 398,855,238,542.20
  5. Step 5: Solve for x
    x = 398,855,238,542.20/722,353.75
  6. Step 6: Final answer
    x = 552,160.55

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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.