Home / 531,780.52-733,867.11-290,071.73

Finding the Fourth Proportional to 531,780.52, 733,867.11 and 290,071.73

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Solution

The fourth proportional to 531,780.52, 733,867.11 and 290,071.73 is: 400,304.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,780.52 : 733,867.11 = 290,071.73 : x
  2. Step 2: Convert to fraction form
    531,780.52/733,867.11 = 290,071.73/x
  3. Step 3: Cross multiply
    531,780.52x = 733,867.11 × 290,071.73
  4. Step 4: Simplify right side
    531,780.52x = 212,874,102,187.80
  5. Step 5: Solve for x
    x = 212,874,102,187.80/531,780.52
  6. Step 6: Final answer
    x = 400,304.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.