Home / 816,287.34-1,224,441.24-217,244.80

Finding the Fourth Proportional to 816,287.34, 1,224,441.24 and 217,244.80

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Solution

The fourth proportional to 816,287.34, 1,224,441.24 and 217,244.80 is: 325,869.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,287.34 : 1,224,441.24 = 217,244.80 : x
  2. Step 2: Convert to fraction form
    816,287.34/1,224,441.24 = 217,244.80/x
  3. Step 3: Cross multiply
    816,287.34x = 1,224,441.24 × 217,244.80
  4. Step 4: Simplify right side
    816,287.34x = 266,003,492,295.55
  5. Step 5: Solve for x
    x = 266,003,492,295.55/816,287.34
  6. Step 6: Final answer
    x = 325,869.92

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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.