Home / 728,137.47-1,092,031.01-222,702.82

Finding the Fourth Proportional to 728,137.47, 1,092,031.01 and 222,702.82

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Solution

The fourth proportional to 728,137.47, 1,092,031.01 and 222,702.82 is: 334,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,137.47 : 1,092,031.01 = 222,702.82 : x
  2. Step 2: Convert to fraction form
    728,137.47/1,092,031.01 = 222,702.82/x
  3. Step 3: Cross multiply
    728,137.47x = 1,092,031.01 × 222,702.82
  4. Step 4: Simplify right side
    728,137.47x = 243,198,383,698.70
  5. Step 5: Solve for x
    x = 243,198,383,698.70/728,137.47
  6. Step 6: Final answer
    x = 334,000.64

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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.