Home / 808,383.72-1,212,241.96-275,947.68

Finding the Fourth Proportional to 808,383.72, 1,212,241.96 and 275,947.68

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Solution

The fourth proportional to 808,383.72, 1,212,241.96 and 275,947.68 is: 413,807.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,383.72 : 1,212,241.96 = 275,947.68 : x
  2. Step 2: Convert to fraction form
    808,383.72/1,212,241.96 = 275,947.68/x
  3. Step 3: Cross multiply
    808,383.72x = 1,212,241.96 × 275,947.68
  4. Step 4: Simplify right side
    808,383.72x = 334,515,356,460.65
  5. Step 5: Solve for x
    x = 334,515,356,460.65/808,383.72
  6. Step 6: Final answer
    x = 413,807.64

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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.