Home / 850,591.52-1,173,027.80-620,784.80

Finding the Fourth Proportional to 850,591.52, 1,173,027.80 and 620,784.80

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Solution

The fourth proportional to 850,591.52, 1,173,027.80 and 620,784.80 is: 856,107.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,591.52 : 1,173,027.80 = 620,784.80 : x
  2. Step 2: Convert to fraction form
    850,591.52/1,173,027.80 = 620,784.80/x
  3. Step 3: Cross multiply
    850,591.52x = 1,173,027.80 × 620,784.80
  4. Step 4: Simplify right side
    850,591.52x = 728,197,828,217.44
  5. Step 5: Solve for x
    x = 728,197,828,217.44/850,591.52
  6. Step 6: Final answer
    x = 856,107.56

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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.