Home / 845,279.01-1,268,416.08-313,171.02

Finding the Fourth Proportional to 845,279.01, 1,268,416.08 and 313,171.02

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Solution

The fourth proportional to 845,279.01, 1,268,416.08 and 313,171.02 is: 469,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,279.01 : 1,268,416.08 = 313,171.02 : x
  2. Step 2: Convert to fraction form
    845,279.01/1,268,416.08 = 313,171.02/x
  3. Step 3: Cross multiply
    845,279.01x = 1,268,416.08 × 313,171.02
  4. Step 4: Simplify right side
    845,279.01x = 397,231,157,558.00
  5. Step 5: Solve for x
    x = 397,231,157,558.00/845,279.01
  6. Step 6: Final answer
    x = 469,940.87

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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.