Home / 500,464.47-690,641.31-271,023.54

Finding the Fourth Proportional to 500,464.47, 690,641.31 and 271,023.54

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Solution

The fourth proportional to 500,464.47, 690,641.31 and 271,023.54 is: 374,012.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,464.47 : 690,641.31 = 271,023.54 : x
  2. Step 2: Convert to fraction form
    500,464.47/690,641.31 = 271,023.54/x
  3. Step 3: Cross multiply
    500,464.47x = 690,641.31 × 271,023.54
  4. Step 4: Simplify right side
    500,464.47x = 187,180,052,706.44
  5. Step 5: Solve for x
    x = 187,180,052,706.44/500,464.47
  6. Step 6: Final answer
    x = 374,012.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.