Home / 747,743.94-1,121,618.34-186,778.44

Finding the Fourth Proportional to 747,743.94, 1,121,618.34 and 186,778.44

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Solution

The fourth proportional to 747,743.94, 1,121,618.34 and 186,778.44 is: 280,168.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,743.94 : 1,121,618.34 = 186,778.44 : x
  2. Step 2: Convert to fraction form
    747,743.94/1,121,618.34 = 186,778.44/x
  3. Step 3: Cross multiply
    747,743.94x = 1,121,618.34 × 186,778.44
  4. Step 4: Simplify right side
    747,743.94x = 209,494,123,820.59
  5. Step 5: Solve for x
    x = 209,494,123,820.59/747,743.94
  6. Step 6: Final answer
    x = 280,168.27

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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.