Home / 771,461.62-1,157,377.11-321,932.37

Finding the Fourth Proportional to 771,461.62, 1,157,377.11 and 321,932.37

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Solution

The fourth proportional to 771,461.62, 1,157,377.11 and 321,932.37 is: 482,975.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,461.62 : 1,157,377.11 = 321,932.37 : x
  2. Step 2: Convert to fraction form
    771,461.62/1,157,377.11 = 321,932.37/x
  3. Step 3: Cross multiply
    771,461.62x = 1,157,377.11 × 321,932.37
  4. Step 4: Simplify right side
    771,461.62x = 372,597,159,138.97
  5. Step 5: Solve for x
    x = 372,597,159,138.97/771,461.62
  6. Step 6: Final answer
    x = 482,975.63

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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.