Home / 485,118.29-726,790.73-351,667.55

Finding the Fourth Proportional to 485,118.29, 726,790.73 and 351,667.55

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Solution

The fourth proportional to 485,118.29, 726,790.73 and 351,667.55 is: 526,858.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,118.29 : 726,790.73 = 351,667.55 : x
  2. Step 2: Convert to fraction form
    485,118.29/726,790.73 = 351,667.55/x
  3. Step 3: Cross multiply
    485,118.29x = 726,790.73 × 351,667.55
  4. Step 4: Simplify right side
    485,118.29x = 255,588,709,989.52
  5. Step 5: Solve for x
    x = 255,588,709,989.52/485,118.29
  6. Step 6: Final answer
    x = 526,858.54

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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.