Home / 874,905.27-1,311,882.90-394,571.16

Finding the Fourth Proportional to 874,905.27, 1,311,882.90 and 394,571.16

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Solution

The fourth proportional to 874,905.27, 1,311,882.90 and 394,571.16 is: 591,642.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,905.27 : 1,311,882.90 = 394,571.16 : x
  2. Step 2: Convert to fraction form
    874,905.27/1,311,882.90 = 394,571.16/x
  3. Step 3: Cross multiply
    874,905.27x = 1,311,882.90 × 394,571.16
  4. Step 4: Simplify right side
    874,905.27x = 517,631,157,637.16
  5. Step 5: Solve for x
    x = 517,631,157,637.16/874,905.27
  6. Step 6: Final answer
    x = 591,642.52

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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.