Home / 769,432.50-1,061,871.81-425,261.03

Finding the Fourth Proportional to 769,432.50, 1,061,871.81 and 425,261.03

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Solution

The fourth proportional to 769,432.50, 1,061,871.81 and 425,261.03 is: 586,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,432.50 : 1,061,871.81 = 425,261.03 : x
  2. Step 2: Convert to fraction form
    769,432.50/1,061,871.81 = 425,261.03/x
  3. Step 3: Cross multiply
    769,432.50x = 1,061,871.81 × 425,261.03
  4. Step 4: Simplify right side
    769,432.50x = 451,572,694,339.21
  5. Step 5: Solve for x
    x = 451,572,694,339.21/769,432.50
  6. Step 6: Final answer
    x = 586,890.59

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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.