Home / 816,284.62-1,224,439.39-310,873.58

Finding the Fourth Proportional to 816,284.62, 1,224,439.39 and 310,873.58

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Solution

The fourth proportional to 816,284.62, 1,224,439.39 and 310,873.58 is: 466,315.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,284.62 : 1,224,439.39 = 310,873.58 : x
  2. Step 2: Convert to fraction form
    816,284.62/1,224,439.39 = 310,873.58/x
  3. Step 3: Cross multiply
    816,284.62x = 1,224,439.39 × 310,873.58
  4. Step 4: Simplify right side
    816,284.62x = 380,645,853,771.70
  5. Step 5: Solve for x
    x = 380,645,853,771.70/816,284.62
  6. Step 6: Final answer
    x = 466,315.11

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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.