Home / 790,390.05-1,185,583.32-610,736.73

Finding the Fourth Proportional to 790,390.05, 1,185,583.32 and 610,736.73

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Solution

The fourth proportional to 790,390.05, 1,185,583.32 and 610,736.73 is: 916,103.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,390.05 : 1,185,583.32 = 610,736.73 : x
  2. Step 2: Convert to fraction form
    790,390.05/1,185,583.32 = 610,736.73/x
  3. Step 3: Cross multiply
    790,390.05x = 1,185,583.32 × 610,736.73
  4. Step 4: Simplify right side
    790,390.05x = 724,079,279,999.34
  5. Step 5: Solve for x
    x = 724,079,279,999.34/790,390.05
  6. Step 6: Final answer
    x = 916,103.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.