Home / 769,429.90-1,061,868.23-425,258.42

Finding the Fourth Proportional to 769,429.90, 1,061,868.23 and 425,258.42

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Solution

The fourth proportional to 769,429.90, 1,061,868.23 and 425,258.42 is: 586,887.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,429.90 : 1,061,868.23 = 425,258.42 : x
  2. Step 2: Convert to fraction form
    769,429.90/1,061,868.23 = 425,258.42/x
  3. Step 3: Cross multiply
    769,429.90x = 1,061,868.23 × 425,258.42
  4. Step 4: Simplify right side
    769,429.90x = 451,568,405,738.00
  5. Step 5: Solve for x
    x = 451,568,405,738.00/769,429.90
  6. Step 6: Final answer
    x = 586,887.00

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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.