Home / 667,792.10-1,001,245.35-368,416.10

Finding the Fourth Proportional to 667,792.10, 1,001,245.35 and 368,416.10

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Solution

The fourth proportional to 667,792.10, 1,001,245.35 and 368,416.10 is: 552,379.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,792.10 : 1,001,245.35 = 368,416.10 : x
  2. Step 2: Convert to fraction form
    667,792.10/1,001,245.35 = 368,416.10/x
  3. Step 3: Cross multiply
    667,792.10x = 1,001,245.35 × 368,416.10
  4. Step 4: Simplify right side
    667,792.10x = 368,874,906,990.14
  5. Step 5: Solve for x
    x = 368,874,906,990.14/667,792.10
  6. Step 6: Final answer
    x = 552,379.86

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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.