Home / 723,853.73-998,919.32-401,563.83

Finding the Fourth Proportional to 723,853.73, 998,919.32 and 401,563.83

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Solution

The fourth proportional to 723,853.73, 998,919.32 and 401,563.83 is: 554,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,853.73 : 998,919.32 = 401,563.83 : x
  2. Step 2: Convert to fraction form
    723,853.73/998,919.32 = 401,563.83/x
  3. Step 3: Cross multiply
    723,853.73x = 998,919.32 × 401,563.83
  4. Step 4: Simplify right side
    723,853.73x = 401,129,863,005.60
  5. Step 5: Solve for x
    x = 401,129,863,005.60/723,853.73
  6. Step 6: Final answer
    x = 554,158.73

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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.