Home / 667,021.23-1,000,744.47-413,470.17

Finding the Fourth Proportional to 667,021.23, 1,000,744.47 and 413,470.17

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Solution

The fourth proportional to 667,021.23, 1,000,744.47 and 413,470.17 is: 620,337.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,021.23 : 1,000,744.47 = 413,470.17 : x
  2. Step 2: Convert to fraction form
    667,021.23/1,000,744.47 = 413,470.17/x
  3. Step 3: Cross multiply
    667,021.23x = 1,000,744.47 × 413,470.17
  4. Step 4: Simplify right side
    667,021.23x = 413,777,986,137.46
  5. Step 5: Solve for x
    x = 413,777,986,137.46/667,021.23
  6. Step 6: Final answer
    x = 620,337.06

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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.