Home / 939,828.78-1,409,743.17-229,848.39

Finding the Fourth Proportional to 939,828.78, 1,409,743.17 and 229,848.39

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Solution

The fourth proportional to 939,828.78, 1,409,743.17 and 229,848.39 is: 344,772.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,828.78 : 1,409,743.17 = 229,848.39 : x
  2. Step 2: Convert to fraction form
    939,828.78/1,409,743.17 = 229,848.39/x
  3. Step 3: Cross multiply
    939,828.78x = 1,409,743.17 × 229,848.39
  4. Step 4: Simplify right side
    939,828.78x = 324,027,197,938.00
  5. Step 5: Solve for x
    x = 324,027,197,938.00/939,828.78
  6. Step 6: Final answer
    x = 344,772.59

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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.