Home / 902,650.11-1,245,645.99-489,178.01

Finding the Fourth Proportional to 902,650.11, 1,245,645.99 and 489,178.01

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Solution

The fourth proportional to 902,650.11, 1,245,645.99 and 489,178.01 is: 675,059.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,650.11 : 1,245,645.99 = 489,178.01 : x
  2. Step 2: Convert to fraction form
    902,650.11/1,245,645.99 = 489,178.01/x
  3. Step 3: Cross multiply
    902,650.11x = 1,245,645.99 × 489,178.01
  4. Step 4: Simplify right side
    902,650.11x = 609,342,626,552.68
  5. Step 5: Solve for x
    x = 609,342,626,552.68/902,650.11
  6. Step 6: Final answer
    x = 675,059.60

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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.