Home / 477,972.63-659,610.54-274,056.75

Finding the Fourth Proportional to 477,972.63, 659,610.54 and 274,056.75

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Solution

The fourth proportional to 477,972.63, 659,610.54 and 274,056.75 is: 378,203.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,972.63 : 659,610.54 = 274,056.75 : x
  2. Step 2: Convert to fraction form
    477,972.63/659,610.54 = 274,056.75/x
  3. Step 3: Cross multiply
    477,972.63x = 659,610.54 × 274,056.75
  4. Step 4: Simplify right side
    477,972.63x = 180,770,720,858.15
  5. Step 5: Solve for x
    x = 180,770,720,858.15/477,972.63
  6. Step 6: Final answer
    x = 378,203.08

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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.