Home / 769,419.87-1,061,766.36-425,238.01

Finding the Fourth Proportional to 769,419.87, 1,061,766.36 and 425,238.01

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Solution

The fourth proportional to 769,419.87, 1,061,766.36 and 425,238.01 is: 586,810.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,419.87 : 1,061,766.36 = 425,238.01 : x
  2. Step 2: Convert to fraction form
    769,419.87/1,061,766.36 = 425,238.01/x
  3. Step 3: Cross multiply
    769,419.87x = 1,061,766.36 × 425,238.01
  4. Step 4: Simplify right side
    769,419.87x = 451,503,414,011.34
  5. Step 5: Solve for x
    x = 451,503,414,011.34/769,419.87
  6. Step 6: Final answer
    x = 586,810.18

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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.