Home / 380,829.33-525,755.05-340,446.38

Finding the Fourth Proportional to 380,829.33, 525,755.05 and 340,446.38

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Solution

The fourth proportional to 380,829.33, 525,755.05 and 340,446.38 is: 470,004.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,829.33 : 525,755.05 = 340,446.38 : x
  2. Step 2: Convert to fraction form
    380,829.33/525,755.05 = 340,446.38/x
  3. Step 3: Cross multiply
    380,829.33x = 525,755.05 × 340,446.38
  4. Step 4: Simplify right side
    380,829.33x = 178,991,400,059.33
  5. Step 5: Solve for x
    x = 178,991,400,059.33/380,829.33
  6. Step 6: Final answer
    x = 470,004.24

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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.