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Finding the Fourth Proportional to 505,008.92, 696,910.40 and 275,564.19

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Solution

The fourth proportional to 505,008.92, 696,910.40 and 275,564.19 is: 380,277.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,008.92 : 696,910.40 = 275,564.19 : x
  2. Step 2: Convert to fraction form
    505,008.92/696,910.40 = 275,564.19/x
  3. Step 3: Cross multiply
    505,008.92x = 696,910.40 × 275,564.19
  4. Step 4: Simplify right side
    505,008.92x = 192,043,548,500.76
  5. Step 5: Solve for x
    x = 192,043,548,500.76/505,008.92
  6. Step 6: Final answer
    x = 380,277.54

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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.