Home / 769,429.99-1,061,868.36-425,258.52

Finding the Fourth Proportional to 769,429.99, 1,061,868.36 and 425,258.52

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Solution

The fourth proportional to 769,429.99, 1,061,868.36 and 425,258.52 is: 586,887.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,429.99 : 1,061,868.36 = 425,258.52 : x
  2. Step 2: Convert to fraction form
    769,429.99/1,061,868.36 = 425,258.52/x
  3. Step 3: Cross multiply
    769,429.99x = 1,061,868.36 × 425,258.52
  4. Step 4: Simplify right side
    769,429.99x = 451,568,564,553.76
  5. Step 5: Solve for x
    x = 451,568,564,553.76/769,429.99
  6. Step 6: Final answer
    x = 586,887.14

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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.