Home / 822,244.20-1,233,196.80-316,631.64

Finding the Fourth Proportional to 822,244.20, 1,233,196.80 and 316,631.64

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Solution

The fourth proportional to 822,244.20, 1,233,196.80 and 316,631.64 is: 474,882.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,244.20 : 1,233,196.80 = 316,631.64 : x
  2. Step 2: Convert to fraction form
    822,244.20/1,233,196.80 = 316,631.64/x
  3. Step 3: Cross multiply
    822,244.20x = 1,233,196.80 × 316,631.64
  4. Step 4: Simplify right side
    822,244.20x = 390,469,125,226.75
  5. Step 5: Solve for x
    x = 390,469,125,226.75/822,244.20
  6. Step 6: Final answer
    x = 474,882.19

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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.