Home / 723,836.79-998,847.72-401,546.09

Finding the Fourth Proportional to 723,836.79, 998,847.72 and 401,546.09

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Solution

The fourth proportional to 723,836.79, 998,847.72 and 401,546.09 is: 554,107.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,836.79 : 998,847.72 = 401,546.09 : x
  2. Step 2: Convert to fraction form
    723,836.79/998,847.72 = 401,546.09/x
  3. Step 3: Cross multiply
    723,836.79x = 998,847.72 × 401,546.09
  4. Step 4: Simplify right side
    723,836.79x = 401,083,398,968.53
  5. Step 5: Solve for x
    x = 401,083,398,968.53/723,836.79
  6. Step 6: Final answer
    x = 554,107.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.