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Finding the Fourth Proportional to 510,757.44, 704,844.82 and 281,316.28

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Solution

The fourth proportional to 510,757.44, 704,844.82 and 281,316.28 is: 388,216.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,757.44 : 704,844.82 = 281,316.28 : x
  2. Step 2: Convert to fraction form
    510,757.44/704,844.82 = 281,316.28/x
  3. Step 3: Cross multiply
    510,757.44x = 704,844.82 × 281,316.28
  4. Step 4: Simplify right side
    510,757.44x = 198,284,322,739.67
  5. Step 5: Solve for x
    x = 198,284,322,739.67/510,757.44
  6. Step 6: Final answer
    x = 388,216.22

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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.