Home / 859,544.82-1,288,874.22-385,824.12

Finding the Fourth Proportional to 859,544.82, 1,288,874.22 and 385,824.12

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Solution

The fourth proportional to 859,544.82, 1,288,874.22 and 385,824.12 is: 578,537.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,544.82 : 1,288,874.22 = 385,824.12 : x
  2. Step 2: Convert to fraction form
    859,544.82/1,288,874.22 = 385,824.12/x
  3. Step 3: Cross multiply
    859,544.82x = 1,288,874.22 × 385,824.12
  4. Step 4: Simplify right side
    859,544.82x = 497,278,761,722.19
  5. Step 5: Solve for x
    x = 497,278,761,722.19/859,544.82
  6. Step 6: Final answer
    x = 578,537.33

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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.