Home / 769,998.89-1,062,605.52-425,817.05

Finding the Fourth Proportional to 769,998.89, 1,062,605.52 and 425,817.05

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Solution

The fourth proportional to 769,998.89, 1,062,605.52 and 425,817.05 is: 587,631.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,998.89 : 1,062,605.52 = 425,817.05 : x
  2. Step 2: Convert to fraction form
    769,998.89/1,062,605.52 = 425,817.05/x
  3. Step 3: Cross multiply
    769,998.89x = 1,062,605.52 × 425,817.05
  4. Step 4: Simplify right side
    769,998.89x = 452,475,542,527.09
  5. Step 5: Solve for x
    x = 452,475,542,527.09/769,998.89
  6. Step 6: Final answer
    x = 587,631.43

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Double scale
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1.5x scale

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.