Home / 843,302.91-1,265,369.91-394,054.83

Finding the Fourth Proportional to 843,302.91, 1,265,369.91 and 394,054.83

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Solution

The fourth proportional to 843,302.91, 1,265,369.91 and 394,054.83 is: 591,276.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,302.91 : 1,265,369.91 = 394,054.83 : x
  2. Step 2: Convert to fraction form
    843,302.91/1,265,369.91 = 394,054.83/x
  3. Step 3: Cross multiply
    843,302.91x = 1,265,369.91 × 394,054.83
  4. Step 4: Simplify right side
    843,302.91x = 498,625,124,772.17
  5. Step 5: Solve for x
    x = 498,625,124,772.17/843,302.91
  6. Step 6: Final answer
    x = 591,276.42

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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.