Home / 509,743.36-764,565.69-154,760.46

Finding the Fourth Proportional to 509,743.36, 764,565.69 and 154,760.46

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Solution

The fourth proportional to 509,743.36, 764,565.69 and 154,760.46 is: 232,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,743.36 : 764,565.69 = 154,760.46 : x
  2. Step 2: Convert to fraction form
    509,743.36/764,565.69 = 154,760.46/x
  3. Step 3: Cross multiply
    509,743.36x = 764,565.69 × 154,760.46
  4. Step 4: Simplify right side
    509,743.36x = 118,324,537,884.62
  5. Step 5: Solve for x
    x = 118,324,537,884.62/509,743.36
  6. Step 6: Final answer
    x = 232,125.71

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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.