Home / 769,452.86-1,061,811.97-425,271.01

Finding the Fourth Proportional to 769,452.86, 1,061,811.97 and 425,271.01

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Solution

The fourth proportional to 769,452.86, 1,061,811.97 and 425,271.01 is: 586,855.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,452.86 : 1,061,811.97 = 425,271.01 : x
  2. Step 2: Convert to fraction form
    769,452.86/1,061,811.97 = 425,271.01/x
  3. Step 3: Cross multiply
    769,452.86x = 1,061,811.97 × 425,271.01
  4. Step 4: Simplify right side
    769,452.86x = 451,557,843,602.93
  5. Step 5: Solve for x
    x = 451,557,843,602.93/769,452.86
  6. Step 6: Final answer
    x = 586,855.76

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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.