Home / 504,826.52-696,917.69-389,847.02

Finding the Fourth Proportional to 504,826.52, 696,917.69 and 389,847.02

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Solution

The fourth proportional to 504,826.52, 696,917.69 and 389,847.02 is: 538,187.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,826.52 : 696,917.69 = 389,847.02 : x
  2. Step 2: Convert to fraction form
    504,826.52/696,917.69 = 389,847.02/x
  3. Step 3: Cross multiply
    504,826.52x = 696,917.69 × 389,847.02
  4. Step 4: Simplify right side
    504,826.52x = 271,691,279,197.96
  5. Step 5: Solve for x
    x = 271,691,279,197.96/504,826.52
  6. Step 6: Final answer
    x = 538,187.42

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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.