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Finding the Fourth Proportional to 652,328.80, 978,449.19 and 178,974.52

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Solution

The fourth proportional to 652,328.80, 978,449.19 and 178,974.52 is: 268,449.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,328.80 : 978,449.19 = 178,974.52 : x
  2. Step 2: Convert to fraction form
    652,328.80/978,449.19 = 178,974.52/x
  3. Step 3: Cross multiply
    652,328.80x = 978,449.19 × 178,974.52
  4. Step 4: Simplify right side
    652,328.80x = 175,117,474,124.64
  5. Step 5: Solve for x
    x = 175,117,474,124.64/652,328.80
  6. Step 6: Final answer
    x = 268,449.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.