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Finding the Fourth Proportional to 633,201.40, 948,294.36 and 366,399.64

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Solution

The fourth proportional to 633,201.40, 948,294.36 and 366,399.64 is: 548,727.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,201.40 : 948,294.36 = 366,399.64 : x
  2. Step 2: Convert to fraction form
    633,201.40/948,294.36 = 366,399.64/x
  3. Step 3: Cross multiply
    633,201.40x = 948,294.36 × 366,399.64
  4. Step 4: Simplify right side
    633,201.40x = 347,454,712,118.03
  5. Step 5: Solve for x
    x = 347,454,712,118.03/633,201.40
  6. Step 6: Final answer
    x = 548,727.01

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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.