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Finding the Fourth Proportional to 488,783.10, 733,138.20 and 204,400.20

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Solution

The fourth proportional to 488,783.10, 733,138.20 and 204,400.20 is: 306,585.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,783.10 : 733,138.20 = 204,400.20 : x
  2. Step 2: Convert to fraction form
    488,783.10/733,138.20 = 204,400.20/x
  3. Step 3: Cross multiply
    488,783.10x = 733,138.20 × 204,400.20
  4. Step 4: Simplify right side
    488,783.10x = 149,853,594,707.64
  5. Step 5: Solve for x
    x = 149,853,594,707.64/488,783.10
  6. Step 6: Final answer
    x = 306,585.06

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1.5x scale

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.