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Finding the Fourth Proportional to 508,329.45, 762,395.76 and 171,334.62

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Solution

The fourth proportional to 508,329.45, 762,395.76 and 171,334.62 is: 256,968.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,329.45 : 762,395.76 = 171,334.62 : x
  2. Step 2: Convert to fraction form
    508,329.45/762,395.76 = 171,334.62/x
  3. Step 3: Cross multiply
    508,329.45x = 762,395.76 × 171,334.62
  4. Step 4: Simplify right side
    508,329.45x = 130,624,787,829.21
  5. Step 5: Solve for x
    x = 130,624,787,829.21/508,329.45
  6. Step 6: Final answer
    x = 256,968.76

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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.