Home / 772,755.53-1,158,315.19-259,932.47

Finding the Fourth Proportional to 772,755.53, 1,158,315.19 and 259,932.47

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Solution

The fourth proportional to 772,755.53, 1,158,315.19 and 259,932.47 is: 389,623.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,755.53 : 1,158,315.19 = 259,932.47 : x
  2. Step 2: Convert to fraction form
    772,755.53/1,158,315.19 = 259,932.47/x
  3. Step 3: Cross multiply
    772,755.53x = 1,158,315.19 × 259,932.47
  4. Step 4: Simplify right side
    772,755.53x = 301,083,721,933.81
  5. Step 5: Solve for x
    x = 301,083,721,933.81/772,755.53
  6. Step 6: Final answer
    x = 389,623.51

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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.