Home / 723,204.36-998,081.64-401,015.52

Finding the Fourth Proportional to 723,204.36, 998,081.64 and 401,015.52

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Solution

The fourth proportional to 723,204.36, 998,081.64 and 401,015.52 is: 553,434.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,204.36 : 998,081.64 = 401,015.52 : x
  2. Step 2: Convert to fraction form
    723,204.36/998,081.64 = 401,015.52/x
  3. Step 3: Cross multiply
    723,204.36x = 998,081.64 × 401,015.52
  4. Step 4: Simplify right side
    723,204.36x = 400,246,227,867.05
  5. Step 5: Solve for x
    x = 400,246,227,867.05/723,204.36
  6. Step 6: Final answer
    x = 553,434.48

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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.