Home / 886,452.68-1,328,759.40-412,748.48

Finding the Fourth Proportional to 886,452.68, 1,328,759.40 and 412,748.48

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Solution

The fourth proportional to 886,452.68, 1,328,759.40 and 412,748.48 is: 618,694.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,452.68 : 1,328,759.40 = 412,748.48 : x
  2. Step 2: Convert to fraction form
    886,452.68/1,328,759.40 = 412,748.48/x
  3. Step 3: Cross multiply
    886,452.68x = 1,328,759.40 × 412,748.48
  4. Step 4: Simplify right side
    886,452.68x = 548,443,422,635.71
  5. Step 5: Solve for x
    x = 548,443,422,635.71/886,452.68
  6. Step 6: Final answer
    x = 618,694.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.