Home / 891,559.71-1,337,334.89-217,644.57

Finding the Fourth Proportional to 891,559.71, 1,337,334.89 and 217,644.57

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Solution

The fourth proportional to 891,559.71, 1,337,334.89 and 217,644.57 is: 326,465.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,559.71 : 1,337,334.89 = 217,644.57 : x
  2. Step 2: Convert to fraction form
    891,559.71/1,337,334.89 = 217,644.57/x
  3. Step 3: Cross multiply
    891,559.71x = 1,337,334.89 × 217,644.57
  4. Step 4: Simplify right side
    891,559.71x = 291,063,675,991.82
  5. Step 5: Solve for x
    x = 291,063,675,991.82/891,559.71
  6. Step 6: Final answer
    x = 326,465.71

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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.