Home / 854,974.62-1,281,616.20-404,904.60

Finding the Fourth Proportional to 854,974.62, 1,281,616.20 and 404,904.60

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Solution

The fourth proportional to 854,974.62, 1,281,616.20 and 404,904.60 is: 606,956.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,974.62 : 1,281,616.20 = 404,904.60 : x
  2. Step 2: Convert to fraction form
    854,974.62/1,281,616.20 = 404,904.60/x
  3. Step 3: Cross multiply
    854,974.62x = 1,281,616.20 × 404,904.60
  4. Step 4: Simplify right side
    854,974.62x = 518,932,294,814.52
  5. Step 5: Solve for x
    x = 518,932,294,814.52/854,974.62
  6. Step 6: Final answer
    x = 606,956.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.