Home / 538,176.03-742,683.78-296,459.61

Finding the Fourth Proportional to 538,176.03, 742,683.78 and 296,459.61

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Solution

The fourth proportional to 538,176.03, 742,683.78 and 296,459.61 is: 409,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,176.03 : 742,683.78 = 296,459.61 : x
  2. Step 2: Convert to fraction form
    538,176.03/742,683.78 = 296,459.61/x
  3. Step 3: Cross multiply
    538,176.03x = 742,683.78 × 296,459.61
  4. Step 4: Simplify right side
    538,176.03x = 220,175,743,772.13
  5. Step 5: Solve for x
    x = 220,175,743,772.13/538,176.03
  6. Step 6: Final answer
    x = 409,114.73

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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.