Home / 547,007.60-821,356.20-298,175.60

Finding the Fourth Proportional to 547,007.60, 821,356.20 and 298,175.60

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Solution

The fourth proportional to 547,007.60, 821,356.20 and 298,175.60 is: 447,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,007.60 : 821,356.20 = 298,175.60 : x
  2. Step 2: Convert to fraction form
    547,007.60/821,356.20 = 298,175.60/x
  3. Step 3: Cross multiply
    547,007.60x = 821,356.20 × 298,175.60
  4. Step 4: Simplify right side
    547,007.60x = 244,908,377,748.72
  5. Step 5: Solve for x
    x = 244,908,377,748.72/547,007.60
  6. Step 6: Final answer
    x = 447,723.90

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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.