Home / 508,899.24-762,817.32-171,823.68

Finding the Fourth Proportional to 508,899.24, 762,817.32 and 171,823.68

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Solution

The fourth proportional to 508,899.24, 762,817.32 and 171,823.68 is: 257,556.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,899.24 : 762,817.32 = 171,823.68 : x
  2. Step 2: Convert to fraction form
    508,899.24/762,817.32 = 171,823.68/x
  3. Step 3: Cross multiply
    508,899.24x = 762,817.32 × 171,823.68
  4. Step 4: Simplify right side
    508,899.24x = 131,070,079,090.14
  5. Step 5: Solve for x
    x = 131,070,079,090.14/508,899.24
  6. Step 6: Final answer
    x = 257,556.05

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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.