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Finding the Fourth Proportional to 578,894.24, 798,864.72 and 324,244.64

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Solution

The fourth proportional to 578,894.24, 798,864.72 and 324,244.64 is: 447,452.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,894.24 : 798,864.72 = 324,244.64 : x
  2. Step 2: Convert to fraction form
    578,894.24/798,864.72 = 324,244.64/x
  3. Step 3: Cross multiply
    578,894.24x = 798,864.72 × 324,244.64
  4. Step 4: Simplify right side
    578,894.24x = 259,027,603,545.10
  5. Step 5: Solve for x
    x = 259,027,603,545.10/578,894.24
  6. Step 6: Final answer
    x = 447,452.38

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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.