Home / 445,962.38-668,725.56-311,091.08

Finding the Fourth Proportional to 445,962.38, 668,725.56 and 311,091.08

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Solution

The fourth proportional to 445,962.38, 668,725.56 and 311,091.08 is: 466,484.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,962.38 : 668,725.56 = 311,091.08 : x
  2. Step 2: Convert to fraction form
    445,962.38/668,725.56 = 311,091.08/x
  3. Step 3: Cross multiply
    445,962.38x = 668,725.56 × 311,091.08
  4. Step 4: Simplify right side
    445,962.38x = 208,034,553,340.38
  5. Step 5: Solve for x
    x = 208,034,553,340.38/445,962.38
  6. Step 6: Final answer
    x = 466,484.54

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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.