Home / 827,245.80-1,240,868.70-543,810.60

Finding the Fourth Proportional to 827,245.80, 1,240,868.70 and 543,810.60

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Solution

The fourth proportional to 827,245.80, 1,240,868.70 and 543,810.60 is: 815,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,245.80 : 1,240,868.70 = 543,810.60 : x
  2. Step 2: Convert to fraction form
    827,245.80/1,240,868.70 = 543,810.60/x
  3. Step 3: Cross multiply
    827,245.80x = 1,240,868.70 × 543,810.60
  4. Step 4: Simplify right side
    827,245.80x = 674,797,552,268.22
  5. Step 5: Solve for x
    x = 674,797,552,268.22/827,245.80
  6. Step 6: Final answer
    x = 815,715.90

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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.