Home / 772,198.92-1,065,548.52-449,841.60

Finding the Fourth Proportional to 772,198.92, 1,065,548.52 and 449,841.60

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Solution

The fourth proportional to 772,198.92, 1,065,548.52 and 449,841.60 is: 620,731.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,198.92 : 1,065,548.52 = 449,841.60 : x
  2. Step 2: Convert to fraction form
    772,198.92/1,065,548.52 = 449,841.60/x
  3. Step 3: Cross multiply
    772,198.92x = 1,065,548.52 × 449,841.60
  4. Step 4: Simplify right side
    772,198.92x = 479,328,051,114.43
  5. Step 5: Solve for x
    x = 479,328,051,114.43/772,198.92
  6. Step 6: Final answer
    x = 620,731.32

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Double scale
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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.