Home / 723,917.98-998,995.44-397,233.64

Finding the Fourth Proportional to 723,917.98, 998,995.44 and 397,233.64

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Solution

The fourth proportional to 723,917.98, 998,995.44 and 397,233.64 is: 548,176.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,917.98 : 998,995.44 = 397,233.64 : x
  2. Step 2: Convert to fraction form
    723,917.98/998,995.44 = 397,233.64/x
  3. Step 3: Cross multiply
    723,917.98x = 998,995.44 × 397,233.64
  4. Step 4: Simplify right side
    723,917.98x = 396,834,594,974.60
  5. Step 5: Solve for x
    x = 396,834,594,974.60/723,917.98
  6. Step 6: Final answer
    x = 548,176.18

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1.5x scale

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.