Home / 769,872.60-1,062,331.44-425,661.96

Finding the Fourth Proportional to 769,872.60, 1,062,331.44 and 425,661.96

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Solution

The fourth proportional to 769,872.60, 1,062,331.44 and 425,661.96 is: 587,362.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,872.60 : 1,062,331.44 = 425,661.96 : x
  2. Step 2: Convert to fraction form
    769,872.60/1,062,331.44 = 425,661.96/x
  3. Step 3: Cross multiply
    769,872.60x = 1,062,331.44 × 425,661.96
  4. Step 4: Simplify right side
    769,872.60x = 452,194,082,920.02
  5. Step 5: Solve for x
    x = 452,194,082,920.02/769,872.60
  6. Step 6: Final answer
    x = 587,362.22

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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.