Home / 769,486.86-1,061,858.97-425,305.17

Finding the Fourth Proportional to 769,486.86, 1,061,858.97 and 425,305.17

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Solution

The fourth proportional to 769,486.86, 1,061,858.97 and 425,305.17 is: 586,902.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,486.86 : 1,061,858.97 = 425,305.17 : x
  2. Step 2: Convert to fraction form
    769,486.86/1,061,858.97 = 425,305.17/x
  3. Step 3: Cross multiply
    769,486.86x = 1,061,858.97 × 425,305.17
  4. Step 4: Simplify right side
    769,486.86x = 451,614,109,751.88
  5. Step 5: Solve for x
    x = 451,614,109,751.88/769,486.86
  6. Step 6: Final answer
    x = 586,902.95

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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.