Home / 465,319.90-641,977.88-304,269.22

Finding the Fourth Proportional to 465,319.90, 641,977.88 and 304,269.22

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Solution

The fourth proportional to 465,319.90, 641,977.88 and 304,269.22 is: 419,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,319.90 : 641,977.88 = 304,269.22 : x
  2. Step 2: Convert to fraction form
    465,319.90/641,977.88 = 304,269.22/x
  3. Step 3: Cross multiply
    465,319.90x = 641,977.88 × 304,269.22
  4. Step 4: Simplify right side
    465,319.90x = 195,334,108,804.85
  5. Step 5: Solve for x
    x = 195,334,108,804.85/465,319.90
  6. Step 6: Final answer
    x = 419,784.56

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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.