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Finding the Fourth Proportional to 574,357.78, 792,600.61 and 359,616.25

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Solution

The fourth proportional to 574,357.78, 792,600.61 and 359,616.25 is: 496,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,357.78 : 792,600.61 = 359,616.25 : x
  2. Step 2: Convert to fraction form
    574,357.78/792,600.61 = 359,616.25/x
  3. Step 3: Cross multiply
    574,357.78x = 792,600.61 × 359,616.25
  4. Step 4: Simplify right side
    574,357.78x = 285,032,054,253.87
  5. Step 5: Solve for x
    x = 285,032,054,253.87/574,357.78
  6. Step 6: Final answer
    x = 496,262.20

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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.