Home / 816,297.62-1,224,458.87-310,886.58

Finding the Fourth Proportional to 816,297.62, 1,224,458.87 and 310,886.58

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Solution

The fourth proportional to 816,297.62, 1,224,458.87 and 310,886.58 is: 466,334.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,297.62 : 1,224,458.87 = 310,886.58 : x
  2. Step 2: Convert to fraction form
    816,297.62/1,224,458.87 = 310,886.58/x
  3. Step 3: Cross multiply
    816,297.62x = 1,224,458.87 × 310,886.58
  4. Step 4: Simplify right side
    816,297.62x = 380,667,830,444.97
  5. Step 5: Solve for x
    x = 380,667,830,444.97/816,297.62
  6. Step 6: Final answer
    x = 466,334.61

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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.