Home / 522,519.78-784,049.40-222,919.95

Finding the Fourth Proportional to 522,519.78, 784,049.40 and 222,919.95

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Solution

The fourth proportional to 522,519.78, 784,049.40 and 222,919.95 is: 334,495.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,519.78 : 784,049.40 = 222,919.95 : x
  2. Step 2: Convert to fraction form
    522,519.78/784,049.40 = 222,919.95/x
  3. Step 3: Cross multiply
    522,519.78x = 784,049.40 × 222,919.95
  4. Step 4: Simplify right side
    522,519.78x = 174,780,253,045.53
  5. Step 5: Solve for x
    x = 174,780,253,045.53/522,519.78
  6. Step 6: Final answer
    x = 334,495.00

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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.