Home / 772,256.12-1,158,371.77-239,777.67

Finding the Fourth Proportional to 772,256.12, 1,158,371.77 and 239,777.67

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Solution

The fourth proportional to 772,256.12, 1,158,371.77 and 239,777.67 is: 359,662.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,256.12 : 1,158,371.77 = 239,777.67 : x
  2. Step 2: Convert to fraction form
    772,256.12/1,158,371.77 = 239,777.67/x
  3. Step 3: Cross multiply
    772,256.12x = 1,158,371.77 × 239,777.67
  4. Step 4: Simplify right side
    772,256.12x = 277,751,684,004.38
  5. Step 5: Solve for x
    x = 277,751,684,004.38/772,256.12
  6. Step 6: Final answer
    x = 359,662.65

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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.