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Finding the Fourth Proportional to 475,744.56, 656,546.42 and 260,892.33

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Solution

The fourth proportional to 475,744.56, 656,546.42 and 260,892.33 is: 360,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,744.56 : 656,546.42 = 260,892.33 : x
  2. Step 2: Convert to fraction form
    475,744.56/656,546.42 = 260,892.33/x
  3. Step 3: Cross multiply
    475,744.56x = 656,546.42 × 260,892.33
  4. Step 4: Simplify right side
    475,744.56x = 171,287,925,919.19
  5. Step 5: Solve for x
    x = 171,287,925,919.19/475,744.56
  6. Step 6: Final answer
    x = 360,041.80

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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.