Home / 808,221.13-1,212,456.30-275,617.60

Finding the Fourth Proportional to 808,221.13, 1,212,456.30 and 275,617.60

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Solution

The fourth proportional to 808,221.13, 1,212,456.30 and 275,617.60 is: 413,468.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,221.13 : 1,212,456.30 = 275,617.60 : x
  2. Step 2: Convert to fraction form
    808,221.13/1,212,456.30 = 275,617.60/x
  3. Step 3: Cross multiply
    808,221.13x = 1,212,456.30 × 275,617.60
  4. Step 4: Simplify right side
    808,221.13x = 334,174,295,510.88
  5. Step 5: Solve for x
    x = 334,174,295,510.88/808,221.13
  6. Step 6: Final answer
    x = 413,468.89

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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.