Home / 661,767.81-992,251.44-296,962.53

Finding the Fourth Proportional to 661,767.81, 992,251.44 and 296,962.53

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Solution

The fourth proportional to 661,767.81, 992,251.44 and 296,962.53 is: 445,264.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,767.81 : 992,251.44 = 296,962.53 : x
  2. Step 2: Convert to fraction form
    661,767.81/992,251.44 = 296,962.53/x
  3. Step 3: Cross multiply
    661,767.81x = 992,251.44 × 296,962.53
  4. Step 4: Simplify right side
    661,767.81x = 294,661,498,018.54
  5. Step 5: Solve for x
    x = 294,661,498,018.54/661,767.81
  6. Step 6: Final answer
    x = 445,264.18

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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.