Home / 751,961.43-1,037,772.36-412,495.29

Finding the Fourth Proportional to 751,961.43, 1,037,772.36 and 412,495.29

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Solution

The fourth proportional to 751,961.43, 1,037,772.36 and 412,495.29 is: 569,279.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,961.43 : 1,037,772.36 = 412,495.29 : x
  2. Step 2: Convert to fraction form
    751,961.43/1,037,772.36 = 412,495.29/x
  3. Step 3: Cross multiply
    751,961.43x = 1,037,772.36 × 412,495.29
  4. Step 4: Simplify right side
    751,961.43x = 428,076,210,592.18
  5. Step 5: Solve for x
    x = 428,076,210,592.18/751,961.43
  6. Step 6: Final answer
    x = 569,279.48

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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.