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Finding the Fourth Proportional to 508,339.44, 762,410.76 and 171,344.64

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Solution

The fourth proportional to 508,339.44, 762,410.76 and 171,344.64 is: 256,983.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,339.44 : 762,410.76 = 171,344.64 : x
  2. Step 2: Convert to fraction form
    508,339.44/762,410.76 = 171,344.64/x
  3. Step 3: Cross multiply
    508,339.44x = 762,410.76 × 171,344.64
  4. Step 4: Simplify right side
    508,339.44x = 130,634,997,204.33
  5. Step 5: Solve for x
    x = 130,634,997,204.33/508,339.44
  6. Step 6: Final answer
    x = 256,983.79

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1.5x scale

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.