Home / 768,021.57-1,151,653.29-235,414.17

Finding the Fourth Proportional to 768,021.57, 1,151,653.29 and 235,414.17

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Solution

The fourth proportional to 768,021.57, 1,151,653.29 and 235,414.17 is: 353,005.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,021.57 : 1,151,653.29 = 235,414.17 : x
  2. Step 2: Convert to fraction form
    768,021.57/1,151,653.29 = 235,414.17/x
  3. Step 3: Cross multiply
    768,021.57x = 1,151,653.29 × 235,414.17
  4. Step 4: Simplify right side
    768,021.57x = 271,115,503,393.12
  5. Step 5: Solve for x
    x = 271,115,503,393.12/768,021.57
  6. Step 6: Final answer
    x = 353,005.06

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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.