Home / 744,894.68-1,027,976.10-405,384.44

Finding the Fourth Proportional to 744,894.68, 1,027,976.10 and 405,384.44

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Solution

The fourth proportional to 744,894.68, 1,027,976.10 and 405,384.44 is: 559,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,894.68 : 1,027,976.10 = 405,384.44 : x
  2. Step 2: Convert to fraction form
    744,894.68/1,027,976.10 = 405,384.44/x
  3. Step 3: Cross multiply
    744,894.68x = 1,027,976.10 × 405,384.44
  4. Step 4: Simplify right side
    744,894.68x = 416,725,515,631.88
  5. Step 5: Solve for x
    x = 416,725,515,631.88/744,894.68
  6. Step 6: Final answer
    x = 559,442.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.