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Finding the Fourth Proportional to 471,363.72, 650,495.58 and 256,517.64

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Solution

The fourth proportional to 471,363.72, 650,495.58 and 256,517.64 is: 354,001.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,363.72 : 650,495.58 = 256,517.64 : x
  2. Step 2: Convert to fraction form
    471,363.72/650,495.58 = 256,517.64/x
  3. Step 3: Cross multiply
    471,363.72x = 650,495.58 × 256,517.64
  4. Step 4: Simplify right side
    471,363.72x = 166,863,591,012.03
  5. Step 5: Solve for x
    x = 166,863,591,012.03/471,363.72
  6. Step 6: Final answer
    x = 354,001.77

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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.