Home / 698,696.73-1,047,297.62-361,397.79

Finding the Fourth Proportional to 698,696.73, 1,047,297.62 and 361,397.79

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Solution

The fourth proportional to 698,696.73, 1,047,297.62 and 361,397.79 is: 541,710.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,696.73 : 1,047,297.62 = 361,397.79 : x
  2. Step 2: Convert to fraction form
    698,696.73/1,047,297.62 = 361,397.79/x
  3. Step 3: Cross multiply
    698,696.73x = 1,047,297.62 × 361,397.79
  4. Step 4: Simplify right side
    698,696.73x = 378,491,046,243.75
  5. Step 5: Solve for x
    x = 378,491,046,243.75/698,696.73
  6. Step 6: Final answer
    x = 541,710.06

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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.