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Finding the Fourth Proportional to 652,497.80, 978,698.10 and 273,320.60

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Solution

The fourth proportional to 652,497.80, 978,698.10 and 273,320.60 is: 409,960.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,497.80 : 978,698.10 = 273,320.60 : x
  2. Step 2: Convert to fraction form
    652,497.80/978,698.10 = 273,320.60/x
  3. Step 3: Cross multiply
    652,497.80x = 978,698.10 × 273,320.60
  4. Step 4: Simplify right side
    652,497.80x = 267,498,351,910.86
  5. Step 5: Solve for x
    x = 267,498,351,910.86/652,497.80
  6. Step 6: Final answer
    x = 409,960.54

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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.