Home / 483,378.03-667,039.05-268,531.20

Finding the Fourth Proportional to 483,378.03, 667,039.05 and 268,531.20

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Solution

The fourth proportional to 483,378.03, 667,039.05 and 268,531.20 is: 370,560.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,378.03 : 667,039.05 = 268,531.20 : x
  2. Step 2: Convert to fraction form
    483,378.03/667,039.05 = 268,531.20/x
  3. Step 3: Cross multiply
    483,378.03x = 667,039.05 × 268,531.20
  4. Step 4: Simplify right side
    483,378.03x = 179,120,796,543.36
  5. Step 5: Solve for x
    x = 179,120,796,543.36/483,378.03
  6. Step 6: Final answer
    x = 370,560.48

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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.