Home / 867,037.20-1,298,712.60-568,438.80

Finding the Fourth Proportional to 867,037.20, 1,298,712.60 and 568,438.80

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Solution

The fourth proportional to 867,037.20, 1,298,712.60 and 568,438.80 is: 851,449.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,037.20 : 1,298,712.60 = 568,438.80 : x
  2. Step 2: Convert to fraction form
    867,037.20/1,298,712.60 = 568,438.80/x
  3. Step 3: Cross multiply
    867,037.20x = 1,298,712.60 × 568,438.80
  4. Step 4: Simplify right side
    867,037.20x = 738,238,631,888.88
  5. Step 5: Solve for x
    x = 738,238,631,888.88/867,037.20
  6. Step 6: Final answer
    x = 851,449.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.