Home / 465,313.90-641,969.61-304,263.22

Finding the Fourth Proportional to 465,313.90, 641,969.61 and 304,263.22

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Solution

The fourth proportional to 465,313.90, 641,969.61 and 304,263.22 is: 419,776.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,313.90 : 641,969.61 = 304,263.22 : x
  2. Step 2: Convert to fraction form
    465,313.90/641,969.61 = 304,263.22/x
  3. Step 3: Cross multiply
    465,313.90x = 641,969.61 × 304,263.22
  4. Step 4: Simplify right side
    465,313.90x = 195,327,740,680.74
  5. Step 5: Solve for x
    x = 195,327,740,680.74/465,313.90
  6. Step 6: Final answer
    x = 419,776.29

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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.