Home / 509,755.34-764,583.57-154,772.44

Finding the Fourth Proportional to 509,755.34, 764,583.57 and 154,772.44

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Solution

The fourth proportional to 509,755.34, 764,583.57 and 154,772.44 is: 232,143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,755.34 : 764,583.57 = 154,772.44 : x
  2. Step 2: Convert to fraction form
    509,755.34/764,583.57 = 154,772.44/x
  3. Step 3: Cross multiply
    509,755.34x = 764,583.57 × 154,772.44
  4. Step 4: Simplify right side
    509,755.34x = 118,336,462,801.35
  5. Step 5: Solve for x
    x = 118,336,462,801.35/509,755.34
  6. Step 6: Final answer
    x = 232,143.64

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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.