Home / 768,934.92-1,061,160.22-424,788.60

Finding the Fourth Proportional to 768,934.92, 1,061,160.22 and 424,788.60

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Solution

The fourth proportional to 768,934.92, 1,061,160.22 and 424,788.60 is: 586,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,934.92 : 1,061,160.22 = 424,788.60 : x
  2. Step 2: Convert to fraction form
    768,934.92/1,061,160.22 = 424,788.60/x
  3. Step 3: Cross multiply
    768,934.92x = 1,061,160.22 × 424,788.60
  4. Step 4: Simplify right side
    768,934.92x = 450,768,764,229.49
  5. Step 5: Solve for x
    x = 450,768,764,229.49/768,934.92
  6. Step 6: Final answer
    x = 586,224.86

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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.