Home / 843,307.23-1,265,376.36-394,059.15

Finding the Fourth Proportional to 843,307.23, 1,265,376.36 and 394,059.15

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Solution

The fourth proportional to 843,307.23, 1,265,376.36 and 394,059.15 is: 591,282.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,307.23 : 1,265,376.36 = 394,059.15 : x
  2. Step 2: Convert to fraction form
    843,307.23/1,265,376.36 = 394,059.15/x
  3. Step 3: Cross multiply
    843,307.23x = 1,265,376.36 × 394,059.15
  4. Step 4: Simplify right side
    843,307.23x = 498,633,132,851.69
  5. Step 5: Solve for x
    x = 498,633,132,851.69/843,307.23
  6. Step 6: Final answer
    x = 591,282.89

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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.