Home / 859,240.03-1,288,859.84-219,544.96

Finding the Fourth Proportional to 859,240.03, 1,288,859.84 and 219,544.96

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Solution

The fourth proportional to 859,240.03, 1,288,859.84 and 219,544.96 is: 329,317.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,240.03 : 1,288,859.84 = 219,544.96 : x
  2. Step 2: Convert to fraction form
    859,240.03/1,288,859.84 = 219,544.96/x
  3. Step 3: Cross multiply
    859,240.03x = 1,288,859.84 × 219,544.96
  4. Step 4: Simplify right side
    859,240.03x = 282,962,682,018.41
  5. Step 5: Solve for x
    x = 282,962,682,018.41/859,240.03
  6. Step 6: Final answer
    x = 329,317.39

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1.5x scale

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.