Home / 666,894.99-1,000,446.41-217,511.31

Finding the Fourth Proportional to 666,894.99, 1,000,446.41 and 217,511.31

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Solution

The fourth proportional to 666,894.99, 1,000,446.41 and 217,511.31 is: 326,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,894.99 : 1,000,446.41 = 217,511.31 : x
  2. Step 2: Convert to fraction form
    666,894.99/1,000,446.41 = 217,511.31/x
  3. Step 3: Cross multiply
    666,894.99x = 1,000,446.41 × 217,511.31
  4. Step 4: Simplify right side
    666,894.99x = 217,608,408,136.34
  5. Step 5: Solve for x
    x = 217,608,408,136.34/666,894.99
  6. Step 6: Final answer
    x = 326,300.86

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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.