Home / 509,238-764,025.48-272,527.92

Finding the Fourth Proportional to 509,238, 764,025.48 and 272,527.92

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Solution

The fourth proportional to 509,238, 764,025.48 and 272,527.92 is: 408,882.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,238 : 764,025.48 = 272,527.92 : x
  2. Step 2: Convert to fraction form
    509,238/764,025.48 = 272,527.92/x
  3. Step 3: Cross multiply
    509,238x = 764,025.48 × 272,527.92
  4. Step 4: Simplify right side
    509,238x = 208,218,274,891.40
  5. Step 5: Solve for x
    x = 208,218,274,891.40/509,238
  6. Step 6: Final answer
    x = 408,882.05

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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.