Home / 340,917.49-511,376.23-323,870.28

Finding the Fourth Proportional to 340,917.49, 511,376.23 and 323,870.28

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Solution

The fourth proportional to 340,917.49, 511,376.23 and 323,870.28 is: 485,805.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,917.49 : 511,376.23 = 323,870.28 : x
  2. Step 2: Convert to fraction form
    340,917.49/511,376.23 = 323,870.28/x
  3. Step 3: Cross multiply
    340,917.49x = 511,376.23 × 323,870.28
  4. Step 4: Simplify right side
    340,917.49x = 165,619,562,337.34
  5. Step 5: Solve for x
    x = 165,619,562,337.34/340,917.49
  6. Step 6: Final answer
    x = 485,805.41

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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.