Home / 751,930.66-1,037,669.43-412,401.34

Finding the Fourth Proportional to 751,930.66, 1,037,669.43 and 412,401.34

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Solution

The fourth proportional to 751,930.66, 1,037,669.43 and 412,401.34 is: 569,116.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,930.66 : 1,037,669.43 = 412,401.34 : x
  2. Step 2: Convert to fraction form
    751,930.66/1,037,669.43 = 412,401.34/x
  3. Step 3: Cross multiply
    751,930.66x = 1,037,669.43 × 412,401.34
  4. Step 4: Simplify right side
    751,930.66x = 427,936,263,409.04
  5. Step 5: Solve for x
    x = 427,936,263,409.04/751,930.66
  6. Step 6: Final answer
    x = 569,116.66

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1.5x scale

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.