Home / 646,568.32-892,263.96-374,793.72

Finding the Fourth Proportional to 646,568.32, 892,263.96 and 374,793.72

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Solution

The fourth proportional to 646,568.32, 892,263.96 and 374,793.72 is: 517,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,568.32 : 892,263.96 = 374,793.72 : x
  2. Step 2: Convert to fraction form
    646,568.32/892,263.96 = 374,793.72/x
  3. Step 3: Cross multiply
    646,568.32x = 892,263.96 × 374,793.72
  4. Step 4: Simplify right side
    646,568.32x = 334,414,928,790.33
  5. Step 5: Solve for x
    x = 334,414,928,790.33/646,568.32
  6. Step 6: Final answer
    x = 517,215.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.