Home / 591,111-815,738.36-336,478.56

Finding the Fourth Proportional to 591,111, 815,738.36 and 336,478.56

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Solution

The fourth proportional to 591,111, 815,738.36 and 336,478.56 is: 464,343.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,111 : 815,738.36 = 336,478.56 : x
  2. Step 2: Convert to fraction form
    591,111/815,738.36 = 336,478.56/x
  3. Step 3: Cross multiply
    591,111x = 815,738.36 × 336,478.56
  4. Step 4: Simplify right side
    591,111x = 274,478,468,709.56
  5. Step 5: Solve for x
    x = 274,478,468,709.56/591,111
  6. Step 6: Final answer
    x = 464,343.36

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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.