Home / 769,452.36-1,061,811.28-425,270.50

Finding the Fourth Proportional to 769,452.36, 1,061,811.28 and 425,270.50

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Solution

The fourth proportional to 769,452.36, 1,061,811.28 and 425,270.50 is: 586,855.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,452.36 : 1,061,811.28 = 425,270.50 : x
  2. Step 2: Convert to fraction form
    769,452.36/1,061,811.28 = 425,270.50/x
  3. Step 3: Cross multiply
    769,452.36x = 1,061,811.28 × 425,270.50
  4. Step 4: Simplify right side
    769,452.36x = 451,557,017,800.99
  5. Step 5: Solve for x
    x = 451,557,017,800.99/769,452.36
  6. Step 6: Final answer
    x = 586,855.07

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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.