Home / 845,113.68-1,268,168.70-313,008.36

Finding the Fourth Proportional to 845,113.68, 1,268,168.70 and 313,008.36

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Solution

The fourth proportional to 845,113.68, 1,268,168.70 and 313,008.36 is: 469,697.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,113.68 : 1,268,168.70 = 313,008.36 : x
  2. Step 2: Convert to fraction form
    845,113.68/1,268,168.70 = 313,008.36/x
  3. Step 3: Cross multiply
    845,113.68x = 1,268,168.70 × 313,008.36
  4. Step 4: Simplify right side
    845,113.68x = 396,947,404,990.33
  5. Step 5: Solve for x
    x = 396,947,404,990.33/845,113.68
  6. Step 6: Final answer
    x = 469,697.05

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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.