Home / 715,309.44-1,072,797.71-266,241.80

Finding the Fourth Proportional to 715,309.44, 1,072,797.71 and 266,241.80

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Solution

The fourth proportional to 715,309.44, 1,072,797.71 and 266,241.80 is: 399,300.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,309.44 : 1,072,797.71 = 266,241.80 : x
  2. Step 2: Convert to fraction form
    715,309.44/1,072,797.71 = 266,241.80/x
  3. Step 3: Cross multiply
    715,309.44x = 1,072,797.71 × 266,241.80
  4. Step 4: Simplify right side
    715,309.44x = 285,623,586,651.08
  5. Step 5: Solve for x
    x = 285,623,586,651.08/715,309.44
  6. Step 6: Final answer
    x = 399,300.74

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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.