Home / 535,735.90-739,338.60-320,834.80

Finding the Fourth Proportional to 535,735.90, 739,338.60 and 320,834.80

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Solution

The fourth proportional to 535,735.90, 739,338.60 and 320,834.80 is: 442,765.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,735.90 : 739,338.60 = 320,834.80 : x
  2. Step 2: Convert to fraction form
    535,735.90/739,338.60 = 320,834.80/x
  3. Step 3: Cross multiply
    535,735.90x = 739,338.60 × 320,834.80
  4. Step 4: Simplify right side
    535,735.90x = 237,205,551,863.28
  5. Step 5: Solve for x
    x = 237,205,551,863.28/535,735.90
  6. Step 6: Final answer
    x = 442,765.83

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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.