Home / 667,680.84-1,000,821.42-246,688.20

Finding the Fourth Proportional to 667,680.84, 1,000,821.42 and 246,688.20

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Solution

The fourth proportional to 667,680.84, 1,000,821.42 and 246,688.20 is: 369,773.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,680.84 : 1,000,821.42 = 246,688.20 : x
  2. Step 2: Convert to fraction form
    667,680.84/1,000,821.42 = 246,688.20/x
  3. Step 3: Cross multiply
    667,680.84x = 1,000,821.42 × 246,688.20
  4. Step 4: Simplify right side
    667,680.84x = 246,890,834,621.24
  5. Step 5: Solve for x
    x = 246,890,834,621.24/667,680.84
  6. Step 6: Final answer
    x = 369,773.73

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Double scale
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Similar ratio
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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.