Home / 772,241.66-1,158,680.52-339,736.91

Finding the Fourth Proportional to 772,241.66, 1,158,680.52 and 339,736.91

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Solution

The fourth proportional to 772,241.66, 1,158,680.52 and 339,736.91 is: 509,745.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,241.66 : 1,158,680.52 = 339,736.91 : x
  2. Step 2: Convert to fraction form
    772,241.66/1,158,680.52 = 339,736.91/x
  3. Step 3: Cross multiply
    772,241.66x = 1,158,680.52 × 339,736.91
  4. Step 4: Simplify right side
    772,241.66x = 393,646,539,541.99
  5. Step 5: Solve for x
    x = 393,646,539,541.99/772,241.66
  6. Step 6: Final answer
    x = 509,745.28

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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.