Home / 432,918.90-648,394.20-222,310.80

Finding the Fourth Proportional to 432,918.90, 648,394.20 and 222,310.80

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Solution

The fourth proportional to 432,918.90, 648,394.20 and 222,310.80 is: 332,960.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,918.90 : 648,394.20 = 222,310.80 : x
  2. Step 2: Convert to fraction form
    432,918.90/648,394.20 = 222,310.80/x
  3. Step 3: Cross multiply
    432,918.90x = 648,394.20 × 222,310.80
  4. Step 4: Simplify right side
    432,918.90x = 144,145,033,317.36
  5. Step 5: Solve for x
    x = 144,145,033,317.36/432,918.90
  6. Step 6: Final answer
    x = 332,960.82

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1.5x scale

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.