Home / 663,245.53-995,062.08-213,956.48

Finding the Fourth Proportional to 663,245.53, 995,062.08 and 213,956.48

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Solution

The fourth proportional to 663,245.53, 995,062.08 and 213,956.48 is: 320,997.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,245.53 : 995,062.08 = 213,956.48 : x
  2. Step 2: Convert to fraction form
    663,245.53/995,062.08 = 213,956.48/x
  3. Step 3: Cross multiply
    663,245.53x = 995,062.08 × 213,956.48
  4. Step 4: Simplify right side
    663,245.53x = 212,899,980,018.28
  5. Step 5: Solve for x
    x = 212,899,980,018.28/663,245.53
  6. Step 6: Final answer
    x = 320,997.23

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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.