Home / 728,099.84-1,092,641.84-254,789.30

Finding the Fourth Proportional to 728,099.84, 1,092,641.84 and 254,789.30

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Solution

The fourth proportional to 728,099.84, 1,092,641.84 and 254,789.30 is: 382,356.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,099.84 : 1,092,641.84 = 254,789.30 : x
  2. Step 2: Convert to fraction form
    728,099.84/1,092,641.84 = 254,789.30/x
  3. Step 3: Cross multiply
    728,099.84x = 1,092,641.84 × 254,789.30
  4. Step 4: Simplify right side
    728,099.84x = 278,393,442,827.16
  5. Step 5: Solve for x
    x = 278,393,442,827.16/728,099.84
  6. Step 6: Final answer
    x = 382,356.14

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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.