Home / 808,218.26-1,212,248.67-328,474.82

Finding the Fourth Proportional to 808,218.26, 1,212,248.67 and 328,474.82

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Solution

The fourth proportional to 808,218.26, 1,212,248.67 and 328,474.82 is: 492,680.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,218.26 : 1,212,248.67 = 328,474.82 : x
  2. Step 2: Convert to fraction form
    808,218.26/1,212,248.67 = 328,474.82/x
  3. Step 3: Cross multiply
    808,218.26x = 1,212,248.67 × 328,474.82
  4. Step 4: Simplify right side
    808,218.26x = 398,193,165,472.33
  5. Step 5: Solve for x
    x = 398,193,165,472.33/808,218.26
  6. Step 6: Final answer
    x = 492,680.24

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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.