Home / 845,874.70-1,268,516.94-340,304.56

Finding the Fourth Proportional to 845,874.70, 1,268,516.94 and 340,304.56

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Solution

The fourth proportional to 845,874.70, 1,268,516.94 and 340,304.56 is: 510,338.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,874.70 : 1,268,516.94 = 340,304.56 : x
  2. Step 2: Convert to fraction form
    845,874.70/1,268,516.94 = 340,304.56/x
  3. Step 3: Cross multiply
    845,874.70x = 1,268,516.94 × 340,304.56
  4. Step 4: Simplify right side
    845,874.70x = 431,682,099,119.25
  5. Step 5: Solve for x
    x = 431,682,099,119.25/845,874.70
  6. Step 6: Final answer
    x = 510,338.11

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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.