Home / 694,841.31-1,040,233.73-427,800.51

Finding the Fourth Proportional to 694,841.31, 1,040,233.73 and 427,800.51

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Solution

The fourth proportional to 694,841.31, 1,040,233.73 and 427,800.51 is: 640,452.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,841.31 : 1,040,233.73 = 427,800.51 : x
  2. Step 2: Convert to fraction form
    694,841.31/1,040,233.73 = 427,800.51/x
  3. Step 3: Cross multiply
    694,841.31x = 1,040,233.73 × 427,800.51
  4. Step 4: Simplify right side
    694,841.31x = 445,012,518,074.20
  5. Step 5: Solve for x
    x = 445,012,518,074.20/694,841.31
  6. Step 6: Final answer
    x = 640,452.02

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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.