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Finding the Fourth Proportional to 574,482.12, 862,116.84 and 200,505.12

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Solution

The fourth proportional to 574,482.12, 862,116.84 and 200,505.12 is: 300,895.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,482.12 : 862,116.84 = 200,505.12 : x
  2. Step 2: Convert to fraction form
    574,482.12/862,116.84 = 200,505.12/x
  3. Step 3: Cross multiply
    574,482.12x = 862,116.84 × 200,505.12
  4. Step 4: Simplify right side
    574,482.12x = 172,858,840,458.22
  5. Step 5: Solve for x
    x = 172,858,840,458.22/574,482.12
  6. Step 6: Final answer
    x = 300,895.07

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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.