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Finding the Fourth Proportional to 507,375.36, 699,995.52 and 306,097.92

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Solution

The fourth proportional to 507,375.36, 699,995.52 and 306,097.92 is: 422,305.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,375.36 : 699,995.52 = 306,097.92 : x
  2. Step 2: Convert to fraction form
    507,375.36/699,995.52 = 306,097.92/x
  3. Step 3: Cross multiply
    507,375.36x = 699,995.52 × 306,097.92
  4. Step 4: Simplify right side
    507,375.36x = 214,267,172,681.32
  5. Step 5: Solve for x
    x = 214,267,172,681.32/507,375.36
  6. Step 6: Final answer
    x = 422,305.04

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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.