Home / 816,121.22-1,224,180.24-217,083.02

Finding the Fourth Proportional to 816,121.22, 1,224,180.24 and 217,083.02

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Solution

The fourth proportional to 816,121.22, 1,224,180.24 and 217,083.02 is: 325,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,121.22 : 1,224,180.24 = 217,083.02 : x
  2. Step 2: Convert to fraction form
    816,121.22/1,224,180.24 = 217,083.02/x
  3. Step 3: Cross multiply
    816,121.22x = 1,224,180.24 × 217,083.02
  4. Step 4: Simplify right side
    816,121.22x = 265,748,743,523.53
  5. Step 5: Solve for x
    x = 265,748,743,523.53/816,121.22
  6. Step 6: Final answer
    x = 325,624.11

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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.