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Finding the Fourth Proportional to 397,355.88, 592,290.52 and 365,469.48

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Solution

The fourth proportional to 397,355.88, 592,290.52 and 365,469.48 is: 544,761.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,355.88 : 592,290.52 = 365,469.48 : x
  2. Step 2: Convert to fraction form
    397,355.88/592,290.52 = 365,469.48/x
  3. Step 3: Cross multiply
    397,355.88x = 592,290.52 × 365,469.48
  4. Step 4: Simplify right side
    397,355.88x = 216,464,108,353.33
  5. Step 5: Solve for x
    x = 216,464,108,353.33/397,355.88
  6. Step 6: Final answer
    x = 544,761.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.