Home / 664,467.45-996,846.98-215,111.85

Finding the Fourth Proportional to 664,467.45, 996,846.98 and 215,111.85

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Solution

The fourth proportional to 664,467.45, 996,846.98 and 215,111.85 is: 322,714.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,467.45 : 996,846.98 = 215,111.85 : x
  2. Step 2: Convert to fraction form
    664,467.45/996,846.98 = 215,111.85/x
  3. Step 3: Cross multiply
    664,467.45x = 996,846.98 × 215,111.85
  4. Step 4: Simplify right side
    664,467.45x = 214,433,596,959.15
  5. Step 5: Solve for x
    x = 214,433,596,959.15/664,467.45
  6. Step 6: Final answer
    x = 322,714.98

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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.