Home / 661,799.48-992,322.58-451,691.96

Finding the Fourth Proportional to 661,799.48, 992,322.58 and 451,691.96

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Solution

The fourth proportional to 661,799.48, 992,322.58 and 451,691.96 is: 677,280.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,799.48 : 992,322.58 = 451,691.96 : x
  2. Step 2: Convert to fraction form
    661,799.48/992,322.58 = 451,691.96/x
  3. Step 3: Cross multiply
    661,799.48x = 992,322.58 × 451,691.96
  4. Step 4: Simplify right side
    661,799.48x = 448,224,131,112.46
  5. Step 5: Solve for x
    x = 448,224,131,112.46/661,799.48
  6. Step 6: Final answer
    x = 677,280.88

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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.