Home / 808,399.77-1,212,724.22-275,796.65

Finding the Fourth Proportional to 808,399.77, 1,212,724.22 and 275,796.65

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Solution

The fourth proportional to 808,399.77, 1,212,724.22 and 275,796.65 is: 413,737.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,399.77 : 1,212,724.22 = 275,796.65 : x
  2. Step 2: Convert to fraction form
    808,399.77/1,212,724.22 = 275,796.65/x
  3. Step 3: Cross multiply
    808,399.77x = 1,212,724.22 × 275,796.65
  4. Step 4: Simplify right side
    808,399.77x = 334,465,269,807.26
  5. Step 5: Solve for x
    x = 334,465,269,807.26/808,399.77
  6. Step 6: Final answer
    x = 413,737.46

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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.