Home / 666,860.27-1,000,394.57-217,476.62

Finding the Fourth Proportional to 666,860.27, 1,000,394.57 and 217,476.62

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Solution

The fourth proportional to 666,860.27, 1,000,394.57 and 217,476.62 is: 326,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,860.27 : 1,000,394.57 = 217,476.62 : x
  2. Step 2: Convert to fraction form
    666,860.27/1,000,394.57 = 217,476.62/x
  3. Step 3: Cross multiply
    666,860.27x = 1,000,394.57 × 217,476.62
  4. Step 4: Simplify right side
    666,860.27x = 217,562,429,043.15
  5. Step 5: Solve for x
    x = 217,562,429,043.15/666,860.27
  6. Step 6: Final answer
    x = 326,248.90

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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.