Home / 762,290.40-1,052,025.36-422,868

Finding the Fourth Proportional to 762,290.40, 1,052,025.36 and 422,868

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Solution

The fourth proportional to 762,290.40, 1,052,025.36 and 422,868 is: 583,593.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,290.40 : 1,052,025.36 = 422,868 : x
  2. Step 2: Convert to fraction form
    762,290.40/1,052,025.36 = 422,868/x
  3. Step 3: Cross multiply
    762,290.40x = 1,052,025.36 × 422,868
  4. Step 4: Simplify right side
    762,290.40x = 444,867,859,932.48
  5. Step 5: Solve for x
    x = 444,867,859,932.48/762,290.40
  6. Step 6: Final answer
    x = 583,593.68

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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.