Home / 509,740.18-764,560.90-154,757.27

Finding the Fourth Proportional to 509,740.18, 764,560.90 and 154,757.27

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Solution

The fourth proportional to 509,740.18, 764,560.90 and 154,757.27 is: 232,120.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,740.18 : 764,560.90 = 154,757.27 : x
  2. Step 2: Convert to fraction form
    509,740.18/764,560.90 = 154,757.27/x
  3. Step 3: Cross multiply
    509,740.18x = 764,560.90 × 154,757.27
  4. Step 4: Simplify right side
    509,740.18x = 118,321,357,632.74
  5. Step 5: Solve for x
    x = 118,321,357,632.74/509,740.18
  6. Step 6: Final answer
    x = 232,120.92

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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.