Home / 509,815.80-764,723.70-244,095.30

Finding the Fourth Proportional to 509,815.80, 764,723.70 and 244,095.30

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Solution

The fourth proportional to 509,815.80, 764,723.70 and 244,095.30 is: 366,142.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,815.80 : 764,723.70 = 244,095.30 : x
  2. Step 2: Convert to fraction form
    509,815.80/764,723.70 = 244,095.30/x
  3. Step 3: Cross multiply
    509,815.80x = 764,723.70 × 244,095.30
  4. Step 4: Simplify right side
    509,815.80x = 186,665,460,968.61
  5. Step 5: Solve for x
    x = 186,665,460,968.61/509,815.80
  6. Step 6: Final answer
    x = 366,142.95

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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.