Home / 483,619.20-666,691.10-337,972.80

Finding the Fourth Proportional to 483,619.20, 666,691.10 and 337,972.80

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Solution

The fourth proportional to 483,619.20, 666,691.10 and 337,972.80 is: 465,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,619.20 : 666,691.10 = 337,972.80 : x
  2. Step 2: Convert to fraction form
    483,619.20/666,691.10 = 337,972.80/x
  3. Step 3: Cross multiply
    483,619.20x = 666,691.10 × 337,972.80
  4. Step 4: Simplify right side
    483,619.20x = 225,323,457,802.08
  5. Step 5: Solve for x
    x = 225,323,457,802.08/483,619.20
  6. Step 6: Final answer
    x = 465,910.90

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1.5x scale

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.