Home / 666,933.90-1,000,466.37-217,636.62

Finding the Fourth Proportional to 666,933.90, 1,000,466.37 and 217,636.62

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Solution

The fourth proportional to 666,933.90, 1,000,466.37 and 217,636.62 is: 326,476.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,933.90 : 1,000,466.37 = 217,636.62 : x
  2. Step 2: Convert to fraction form
    666,933.90/1,000,466.37 = 217,636.62/x
  3. Step 3: Cross multiply
    666,933.90x = 1,000,466.37 × 217,636.62
  4. Step 4: Simplify right side
    666,933.90x = 217,738,119,190.47
  5. Step 5: Solve for x
    x = 217,738,119,190.47/666,933.90
  6. Step 6: Final answer
    x = 326,476.31

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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.