Home / 474,784.40-655,201.32-259,922.54

Finding the Fourth Proportional to 474,784.40, 655,201.32 and 259,922.54

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Solution

The fourth proportional to 474,784.40, 655,201.32 and 259,922.54 is: 358,692.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,784.40 : 655,201.32 = 259,922.54 : x
  2. Step 2: Convert to fraction form
    474,784.40/655,201.32 = 259,922.54/x
  3. Step 3: Cross multiply
    474,784.40x = 655,201.32 × 259,922.54
  4. Step 4: Simplify right side
    474,784.40x = 170,301,591,305.75
  5. Step 5: Solve for x
    x = 170,301,591,305.75/474,784.40
  6. Step 6: Final answer
    x = 358,692.47

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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.