Home / 769,932-1,154,878.56-208,951.92

Finding the Fourth Proportional to 769,932, 1,154,878.56 and 208,951.92

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Solution

The fourth proportional to 769,932, 1,154,878.56 and 208,951.92 is: 313,422.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,932 : 1,154,878.56 = 208,951.92 : x
  2. Step 2: Convert to fraction form
    769,932/1,154,878.56 = 208,951.92/x
  3. Step 3: Cross multiply
    769,932x = 1,154,878.56 × 208,951.92
  4. Step 4: Simplify right side
    769,932x = 241,314,092,478.84
  5. Step 5: Solve for x
    x = 241,314,092,478.84/769,932
  6. Step 6: Final answer
    x = 313,422.60

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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.