Home / 769,429.77-1,061,868.06-425,258.30

Finding the Fourth Proportional to 769,429.77, 1,061,868.06 and 425,258.30

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Solution

The fourth proportional to 769,429.77, 1,061,868.06 and 425,258.30 is: 586,886.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,429.77 : 1,061,868.06 = 425,258.30 : x
  2. Step 2: Convert to fraction form
    769,429.77/1,061,868.06 = 425,258.30/x
  3. Step 3: Cross multiply
    769,429.77x = 1,061,868.06 × 425,258.30
  4. Step 4: Simplify right side
    769,429.77x = 451,568,200,710.56
  5. Step 5: Solve for x
    x = 451,568,200,710.56/769,429.77
  6. Step 6: Final answer
    x = 586,886.83

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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.