Home / 816,576.40-1,224,785.40-247,962.42

Finding the Fourth Proportional to 816,576.40, 1,224,785.40 and 247,962.42

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Solution

The fourth proportional to 816,576.40, 1,224,785.40 and 247,962.42 is: 371,919.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,576.40 : 1,224,785.40 = 247,962.42 : x
  2. Step 2: Convert to fraction form
    816,576.40/1,224,785.40 = 247,962.42/x
  3. Step 3: Cross multiply
    816,576.40x = 1,224,785.40 × 247,962.42
  4. Step 4: Simplify right side
    816,576.40x = 303,700,751,764.67
  5. Step 5: Solve for x
    x = 303,700,751,764.67/816,576.40
  6. Step 6: Final answer
    x = 371,919.58

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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.