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Finding the Fourth Proportional to 524,729.77, 787,119.26 and 169,771.57

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Solution

The fourth proportional to 524,729.77, 787,119.26 and 169,771.57 is: 254,665.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,729.77 : 787,119.26 = 169,771.57 : x
  2. Step 2: Convert to fraction form
    524,729.77/787,119.26 = 169,771.57/x
  3. Step 3: Cross multiply
    524,729.77x = 787,119.26 × 169,771.57
  4. Step 4: Simplify right side
    524,729.77x = 133,630,469,730.78
  5. Step 5: Solve for x
    x = 133,630,469,730.78/524,729.77
  6. Step 6: Final answer
    x = 254,665.31

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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.