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Finding the Fourth Proportional to 488,364.85, 673,979.16 and 294,820.14

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Solution

The fourth proportional to 488,364.85, 673,979.16 and 294,820.14 is: 406,873.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,364.85 : 673,979.16 = 294,820.14 : x
  2. Step 2: Convert to fraction form
    488,364.85/673,979.16 = 294,820.14/x
  3. Step 3: Cross multiply
    488,364.85x = 673,979.16 × 294,820.14
  4. Step 4: Simplify right side
    488,364.85x = 198,702,630,308.28
  5. Step 5: Solve for x
    x = 198,702,630,308.28/488,364.85
  6. Step 6: Final answer
    x = 406,873.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.