Home / 816,072.20-1,224,510.60-367,110.80

Finding the Fourth Proportional to 816,072.20, 1,224,510.60 and 367,110.80

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Solution

The fourth proportional to 816,072.20, 1,224,510.60 and 367,110.80 is: 550,847.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,072.20 : 1,224,510.60 = 367,110.80 : x
  2. Step 2: Convert to fraction form
    816,072.20/1,224,510.60 = 367,110.80/x
  3. Step 3: Cross multiply
    816,072.20x = 1,224,510.60 × 367,110.80
  4. Step 4: Simplify right side
    816,072.20x = 449,531,065,974.48
  5. Step 5: Solve for x
    x = 449,531,065,974.48/816,072.20
  6. Step 6: Final answer
    x = 550,847.18

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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.