Home / 845,873.70-1,268,515.44-340,303.56

Finding the Fourth Proportional to 845,873.70, 1,268,515.44 and 340,303.56

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Solution

The fourth proportional to 845,873.70, 1,268,515.44 and 340,303.56 is: 510,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,873.70 : 1,268,515.44 = 340,303.56 : x
  2. Step 2: Convert to fraction form
    845,873.70/1,268,515.44 = 340,303.56/x
  3. Step 3: Cross multiply
    845,873.70x = 1,268,515.44 × 340,303.56
  4. Step 4: Simplify right side
    845,873.70x = 431,680,320,146.97
  5. Step 5: Solve for x
    x = 431,680,320,146.97/845,873.70
  6. Step 6: Final answer
    x = 510,336.61

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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.