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Finding the Fourth Proportional to 447,199.76, 670,799.64 and 306,531.92

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Solution

The fourth proportional to 447,199.76, 670,799.64 and 306,531.92 is: 459,797.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,199.76 : 670,799.64 = 306,531.92 : x
  2. Step 2: Convert to fraction form
    447,199.76/670,799.64 = 306,531.92/x
  3. Step 3: Cross multiply
    447,199.76x = 670,799.64 × 306,531.92
  4. Step 4: Simplify right side
    447,199.76x = 205,621,501,584.51
  5. Step 5: Solve for x
    x = 205,621,501,584.51/447,199.76
  6. Step 6: Final answer
    x = 459,797.88

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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.