Home / 769,334.10-1,061,625.46-425,165.91

Finding the Fourth Proportional to 769,334.10, 1,061,625.46 and 425,165.91

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Solution

The fourth proportional to 769,334.10, 1,061,625.46 and 425,165.91 is: 586,698.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,334.10 : 1,061,625.46 = 425,165.91 : x
  2. Step 2: Convert to fraction form
    769,334.10/1,061,625.46 = 425,165.91/x
  3. Step 3: Cross multiply
    769,334.10x = 1,061,625.46 × 425,165.91
  4. Step 4: Simplify right side
    769,334.10x = 451,366,954,780.07
  5. Step 5: Solve for x
    x = 451,366,954,780.07/769,334.10
  6. Step 6: Final answer
    x = 586,698.23

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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.