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Finding the Fourth Proportional to 475,474.29, 656,221.73 and 294,244.59

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Solution

The fourth proportional to 475,474.29, 656,221.73 and 294,244.59 is: 406,099.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,474.29 : 656,221.73 = 294,244.59 : x
  2. Step 2: Convert to fraction form
    475,474.29/656,221.73 = 294,244.59/x
  3. Step 3: Cross multiply
    475,474.29x = 656,221.73 × 294,244.59
  4. Step 4: Simplify right side
    475,474.29x = 193,089,693,892.94
  5. Step 5: Solve for x
    x = 193,089,693,892.94/475,474.29
  6. Step 6: Final answer
    x = 406,099.13

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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.