Home / 723,556.92-998,474.35-401,260.10

Finding the Fourth Proportional to 723,556.92, 998,474.35 and 401,260.10

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Solution

The fourth proportional to 723,556.92, 998,474.35 and 401,260.10 is: 553,719.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,556.92 : 998,474.35 = 401,260.10 : x
  2. Step 2: Convert to fraction form
    723,556.92/998,474.35 = 401,260.10/x
  3. Step 3: Cross multiply
    723,556.92x = 998,474.35 × 401,260.10
  4. Step 4: Simplify right side
    723,556.92x = 400,647,917,528.44
  5. Step 5: Solve for x
    x = 400,647,917,528.44/723,556.92
  6. Step 6: Final answer
    x = 553,719.97

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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.