Home / 769,435.62-1,061,876.12-425,264.15

Finding the Fourth Proportional to 769,435.62, 1,061,876.12 and 425,264.15

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Solution

The fourth proportional to 769,435.62, 1,061,876.12 and 425,264.15 is: 586,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,435.62 : 1,061,876.12 = 425,264.15 : x
  2. Step 2: Convert to fraction form
    769,435.62/1,061,876.12 = 425,264.15/x
  3. Step 3: Cross multiply
    769,435.62x = 1,061,876.12 × 425,264.15
  4. Step 4: Simplify right side
    769,435.62x = 451,577,841,330.88
  5. Step 5: Solve for x
    x = 451,577,841,330.88/769,435.62
  6. Step 6: Final answer
    x = 586,894.90

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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.