Home / 769,702.99-1,062,158.79-425,517.03

Finding the Fourth Proportional to 769,702.99, 1,062,158.79 and 425,517.03

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Solution

The fourth proportional to 769,702.99, 1,062,158.79 and 425,517.03 is: 587,196.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,702.99 : 1,062,158.79 = 425,517.03 : x
  2. Step 2: Convert to fraction form
    769,702.99/1,062,158.79 = 425,517.03/x
  3. Step 3: Cross multiply
    769,702.99x = 1,062,158.79 × 425,517.03
  4. Step 4: Simplify right side
    769,702.99x = 451,966,652,911.35
  5. Step 5: Solve for x
    x = 451,966,652,911.35/769,702.99
  6. Step 6: Final answer
    x = 587,196.18

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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.