Home / 570,732.46-856,229.90-171,380.79

Finding the Fourth Proportional to 570,732.46, 856,229.90 and 171,380.79

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Solution

The fourth proportional to 570,732.46, 856,229.90 and 171,380.79 is: 257,110.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,732.46 : 856,229.90 = 171,380.79 : x
  2. Step 2: Convert to fraction form
    570,732.46/856,229.90 = 171,380.79/x
  3. Step 3: Cross multiply
    570,732.46x = 856,229.90 × 171,380.79
  4. Step 4: Simplify right side
    570,732.46x = 146,741,355,826.72
  5. Step 5: Solve for x
    x = 146,741,355,826.72/570,732.46
  6. Step 6: Final answer
    x = 257,110.58

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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.