Home / 791,744.78-1,093,515.81-521,021.27

Finding the Fourth Proportional to 791,744.78, 1,093,515.81 and 521,021.27

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Solution

The fourth proportional to 791,744.78, 1,093,515.81 and 521,021.27 is: 719,606.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,744.78 : 1,093,515.81 = 521,021.27 : x
  2. Step 2: Convert to fraction form
    791,744.78/1,093,515.81 = 521,021.27/x
  3. Step 3: Cross multiply
    791,744.78x = 1,093,515.81 × 521,021.27
  4. Step 4: Simplify right side
    791,744.78x = 569,744,990,623.70
  5. Step 5: Solve for x
    x = 569,744,990,623.70/791,744.78
  6. Step 6: Final answer
    x = 719,606.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.