Home / 728,228.88-1,092,838.68-446,887.44

Finding the Fourth Proportional to 728,228.88, 1,092,838.68 and 446,887.44

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Solution

The fourth proportional to 728,228.88, 1,092,838.68 and 446,887.44 is: 670,635.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,228.88 : 1,092,838.68 = 446,887.44 : x
  2. Step 2: Convert to fraction form
    728,228.88/1,092,838.68 = 446,887.44/x
  3. Step 3: Cross multiply
    728,228.88x = 1,092,838.68 × 446,887.44
  4. Step 4: Simplify right side
    728,228.88x = 488,375,880,038.18
  5. Step 5: Solve for x
    x = 488,375,880,038.18/728,228.88
  6. Step 6: Final answer
    x = 670,635.14

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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.