Home / 340,927.90-511,391.79-323,880.69

Finding the Fourth Proportional to 340,927.90, 511,391.79 and 323,880.69

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Solution

The fourth proportional to 340,927.90, 511,391.79 and 323,880.69 is: 485,820.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,927.90 : 511,391.79 = 323,880.69 : x
  2. Step 2: Convert to fraction form
    340,927.90/511,391.79 = 323,880.69/x
  3. Step 3: Cross multiply
    340,927.90x = 511,391.79 × 323,880.69
  4. Step 4: Simplify right side
    340,927.90x = 165,629,925,805.54
  5. Step 5: Solve for x
    x = 165,629,925,805.54/340,927.90
  6. Step 6: Final answer
    x = 485,820.98

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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.