Home / 808,399.27-1,212,723.47-275,796.15

Finding the Fourth Proportional to 808,399.27, 1,212,723.47 and 275,796.15

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Solution

The fourth proportional to 808,399.27, 1,212,723.47 and 275,796.15 is: 413,736.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,399.27 : 1,212,723.47 = 275,796.15 : x
  2. Step 2: Convert to fraction form
    808,399.27/1,212,723.47 = 275,796.15/x
  3. Step 3: Cross multiply
    808,399.27x = 1,212,723.47 × 275,796.15
  4. Step 4: Simplify right side
    808,399.27x = 334,464,464,040.64
  5. Step 5: Solve for x
    x = 334,464,464,040.64/808,399.27
  6. Step 6: Final answer
    x = 413,736.72

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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.