Home / 666,914.99-1,000,531.62-217,636.70

Finding the Fourth Proportional to 666,914.99, 1,000,531.62 and 217,636.70

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Solution

The fourth proportional to 666,914.99, 1,000,531.62 and 217,636.70 is: 326,506.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,914.99 : 1,000,531.62 = 217,636.70 : x
  2. Step 2: Convert to fraction form
    666,914.99/1,000,531.62 = 217,636.70/x
  3. Step 3: Cross multiply
    666,914.99x = 1,000,531.62 × 217,636.70
  4. Step 4: Simplify right side
    666,914.99x = 217,752,395,019.80
  5. Step 5: Solve for x
    x = 217,752,395,019.80/666,914.99
  6. Step 6: Final answer
    x = 326,506.98

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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.