Home / 816,122.20-1,224,585.60-367,160.80

Finding the Fourth Proportional to 816,122.20, 1,224,585.60 and 367,160.80

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Solution

The fourth proportional to 816,122.20, 1,224,585.60 and 367,160.80 is: 550,922.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,122.20 : 1,224,585.60 = 367,160.80 : x
  2. Step 2: Convert to fraction form
    816,122.20/1,224,585.60 = 367,160.80/x
  3. Step 3: Cross multiply
    816,122.20x = 1,224,585.60 × 367,160.80
  4. Step 4: Simplify right side
    816,122.20x = 449,619,828,564.48
  5. Step 5: Solve for x
    x = 449,619,828,564.48/816,122.20
  6. Step 6: Final answer
    x = 550,922.19

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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.