Home / 641,166.21-884,805.80-354,680.15

Finding the Fourth Proportional to 641,166.21, 884,805.80 and 354,680.15

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Solution

The fourth proportional to 641,166.21, 884,805.80 and 354,680.15 is: 489,456.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,166.21 : 884,805.80 = 354,680.15 : x
  2. Step 2: Convert to fraction form
    641,166.21/884,805.80 = 354,680.15/x
  3. Step 3: Cross multiply
    641,166.21x = 884,805.80 × 354,680.15
  4. Step 4: Simplify right side
    641,166.21x = 313,823,047,667.44
  5. Step 5: Solve for x
    x = 313,823,047,667.44/641,166.21
  6. Step 6: Final answer
    x = 489,456.62

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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.