Home / 902,247.89-1,245,054.41-515,047.95

Finding the Fourth Proportional to 902,247.89, 1,245,054.41 and 515,047.95

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Solution

The fourth proportional to 902,247.89, 1,245,054.41 and 515,047.95 is: 710,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,247.89 : 1,245,054.41 = 515,047.95 : x
  2. Step 2: Convert to fraction form
    902,247.89/1,245,054.41 = 515,047.95/x
  3. Step 3: Cross multiply
    902,247.89x = 1,245,054.41 × 515,047.95
  4. Step 4: Simplify right side
    902,247.89x = 641,262,718,933.72
  5. Step 5: Solve for x
    x = 641,262,718,933.72/902,247.89
  6. Step 6: Final answer
    x = 710,738.95

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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.