Home / 667,125.86-1,000,848.15-217,847.61

Finding the Fourth Proportional to 667,125.86, 1,000,848.15 and 217,847.61

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Solution

The fourth proportional to 667,125.86, 1,000,848.15 and 217,847.61 is: 326,823.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,125.86 : 1,000,848.15 = 217,847.61 : x
  2. Step 2: Convert to fraction form
    667,125.86/1,000,848.15 = 217,847.61/x
  3. Step 3: Cross multiply
    667,125.86x = 1,000,848.15 × 217,847.61
  4. Step 4: Simplify right side
    667,125.86x = 218,032,377,450.42
  5. Step 5: Solve for x
    x = 218,032,377,450.42/667,125.86
  6. Step 6: Final answer
    x = 326,823.46

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1.5x scale

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.