Home / 845,407.44-1,268,626.32-339,873.60

Finding the Fourth Proportional to 845,407.44, 1,268,626.32 and 339,873.60

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Solution

The fourth proportional to 845,407.44, 1,268,626.32 and 339,873.60 is: 510,017.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,407.44 : 1,268,626.32 = 339,873.60 : x
  2. Step 2: Convert to fraction form
    845,407.44/1,268,626.32 = 339,873.60/x
  3. Step 3: Cross multiply
    845,407.44x = 1,268,626.32 × 339,873.60
  4. Step 4: Simplify right side
    845,407.44x = 431,172,594,433.15
  5. Step 5: Solve for x
    x = 431,172,594,433.15/845,407.44
  6. Step 6: Final answer
    x = 510,017.51

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Double scale
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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.