Home / 902,486.20-1,245,273.06-515,124.76

Finding the Fourth Proportional to 902,486.20, 1,245,273.06 and 515,124.76

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Solution

The fourth proportional to 902,486.20, 1,245,273.06 and 515,124.76 is: 710,782.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,486.20 : 1,245,273.06 = 515,124.76 : x
  2. Step 2: Convert to fraction form
    902,486.20/1,245,273.06 = 515,124.76/x
  3. Step 3: Cross multiply
    902,486.20x = 1,245,273.06 × 515,124.76
  4. Step 4: Simplify right side
    902,486.20x = 641,470,986,166.97
  5. Step 5: Solve for x
    x = 641,470,986,166.97/902,486.20
  6. Step 6: Final answer
    x = 710,782.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.