Home / 751,930.79-1,037,669.60-412,401.47

Finding the Fourth Proportional to 751,930.79, 1,037,669.60 and 412,401.47

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Solution

The fourth proportional to 751,930.79, 1,037,669.60 and 412,401.47 is: 569,116.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,930.79 : 1,037,669.60 = 412,401.47 : x
  2. Step 2: Convert to fraction form
    751,930.79/1,037,669.60 = 412,401.47/x
  3. Step 3: Cross multiply
    751,930.79x = 1,037,669.60 × 412,401.47
  4. Step 4: Simplify right side
    751,930.79x = 427,936,464,256.97
  5. Step 5: Solve for x
    x = 427,936,464,256.97/751,930.79
  6. Step 6: Final answer
    x = 569,116.83

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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.