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Finding the Fourth Proportional to 404,359.92, 606,949.80 and 364,646.64

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Solution

The fourth proportional to 404,359.92, 606,949.80 and 364,646.64 is: 547,339.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,359.92 : 606,949.80 = 364,646.64 : x
  2. Step 2: Convert to fraction form
    404,359.92/606,949.80 = 364,646.64/x
  3. Step 3: Cross multiply
    404,359.92x = 606,949.80 × 364,646.64
  4. Step 4: Simplify right side
    404,359.92x = 221,322,205,218.67
  5. Step 5: Solve for x
    x = 221,322,205,218.67/404,359.92
  6. Step 6: Final answer
    x = 547,339.62

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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.