Home / 667,156.50-1,000,832.56-211,595.83

Finding the Fourth Proportional to 667,156.50, 1,000,832.56 and 211,595.83

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Solution

The fourth proportional to 667,156.50, 1,000,832.56 and 211,595.83 is: 317,424.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,156.50 : 1,000,832.56 = 211,595.83 : x
  2. Step 2: Convert to fraction form
    667,156.50/1,000,832.56 = 211,595.83/x
  3. Step 3: Cross multiply
    667,156.50x = 1,000,832.56 × 211,595.83
  4. Step 4: Simplify right side
    667,156.50x = 211,771,993,193.15
  5. Step 5: Solve for x
    x = 211,771,993,193.15/667,156.50
  6. Step 6: Final answer
    x = 317,424.76

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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.