Home / 902,229.11-1,245,028.58-515,029.15

Finding the Fourth Proportional to 902,229.11, 1,245,028.58 and 515,029.15

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Solution

The fourth proportional to 902,229.11, 1,245,028.58 and 515,029.15 is: 710,713.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,229.11 : 1,245,028.58 = 515,029.15 : x
  2. Step 2: Convert to fraction form
    902,229.11/1,245,028.58 = 515,029.15/x
  3. Step 3: Cross multiply
    902,229.11x = 1,245,028.58 × 515,029.15
  4. Step 4: Simplify right side
    902,229.11x = 641,226,009,458.11
  5. Step 5: Solve for x
    x = 641,226,009,458.11/902,229.11
  6. Step 6: Final answer
    x = 710,713.06

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Double scale
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1.5x scale

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.