Home / 843,534.09-1,265,167.22-394,566.57

Finding the Fourth Proportional to 843,534.09, 1,265,167.22 and 394,566.57

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Solution

The fourth proportional to 843,534.09, 1,265,167.22 and 394,566.57 is: 591,787.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,534.09 : 1,265,167.22 = 394,566.57 : x
  2. Step 2: Convert to fraction form
    843,534.09/1,265,167.22 = 394,566.57/x
  3. Step 3: Cross multiply
    843,534.09x = 1,265,167.22 × 394,566.57
  4. Step 4: Simplify right side
    843,534.09x = 499,192,688,499.00
  5. Step 5: Solve for x
    x = 499,192,688,499.00/843,534.09
  6. Step 6: Final answer
    x = 591,787.21

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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.