Home / 723,857.38-998,924.36-401,567.50

Finding the Fourth Proportional to 723,857.38, 998,924.36 and 401,567.50

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Solution

The fourth proportional to 723,857.38, 998,924.36 and 401,567.50 is: 554,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,857.38 : 998,924.36 = 401,567.50 : x
  2. Step 2: Convert to fraction form
    723,857.38/998,924.36 = 401,567.50/x
  3. Step 3: Cross multiply
    723,857.38x = 998,924.36 × 401,567.50
  4. Step 4: Simplify right side
    723,857.38x = 401,135,557,934.30
  5. Step 5: Solve for x
    x = 401,135,557,934.30/723,857.38
  6. Step 6: Final answer
    x = 554,163.80

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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.