Home / 509,827.28-764,691.17-154,844.37

Finding the Fourth Proportional to 509,827.28, 764,691.17 and 154,844.37

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Solution

The fourth proportional to 509,827.28, 764,691.17 and 154,844.37 is: 232,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,827.28 : 764,691.17 = 154,844.37 : x
  2. Step 2: Convert to fraction form
    509,827.28/764,691.17 = 154,844.37/x
  3. Step 3: Cross multiply
    509,827.28x = 764,691.17 × 154,844.37
  4. Step 4: Simplify right side
    509,827.28x = 118,408,121,688.99
  5. Step 5: Solve for x
    x = 118,408,121,688.99/509,827.28
  6. Step 6: Final answer
    x = 232,251.45

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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.