Home / 766,602.10-1,150,063.62-261,123.22

Finding the Fourth Proportional to 766,602.10, 1,150,063.62 and 261,123.22

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Solution

The fourth proportional to 766,602.10, 1,150,063.62 and 261,123.22 is: 391,739.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,602.10 : 1,150,063.62 = 261,123.22 : x
  2. Step 2: Convert to fraction form
    766,602.10/1,150,063.62 = 261,123.22/x
  3. Step 3: Cross multiply
    766,602.10x = 1,150,063.62 × 261,123.22
  4. Step 4: Simplify right side
    766,602.10x = 300,308,315,659.26
  5. Step 5: Solve for x
    x = 300,308,315,659.26/766,602.10
  6. Step 6: Final answer
    x = 391,739.49

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Similar ratio
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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.