Home / 766,754.13-1,150,131.05-205,788.63

Finding the Fourth Proportional to 766,754.13, 1,150,131.05 and 205,788.63

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Solution

The fourth proportional to 766,754.13, 1,150,131.05 and 205,788.63 is: 308,682.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,754.13 : 1,150,131.05 = 205,788.63 : x
  2. Step 2: Convert to fraction form
    766,754.13/1,150,131.05 = 205,788.63/x
  3. Step 3: Cross multiply
    766,754.13x = 1,150,131.05 × 205,788.63
  4. Step 4: Simplify right side
    766,754.13x = 236,683,892,071.02
  5. Step 5: Solve for x
    x = 236,683,892,071.02/766,754.13
  6. Step 6: Final answer
    x = 308,682.90

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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.