Home / 432,919.90-648,395.70-273,487.60

Finding the Fourth Proportional to 432,919.90, 648,395.70 and 273,487.60

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Solution

The fourth proportional to 432,919.90, 648,395.70 and 273,487.60 is: 409,609.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,919.90 : 648,395.70 = 273,487.60 : x
  2. Step 2: Convert to fraction form
    432,919.90/648,395.70 = 273,487.60/x
  3. Step 3: Cross multiply
    432,919.90x = 648,395.70 × 273,487.60
  4. Step 4: Simplify right side
    432,919.90x = 177,328,183,843.32
  5. Step 5: Solve for x
    x = 177,328,183,843.32/432,919.90
  6. Step 6: Final answer
    x = 409,609.68

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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.