Home / 790,208.64-1,185,192.56-257,728.82

Finding the Fourth Proportional to 790,208.64, 1,185,192.56 and 257,728.82

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Solution

The fourth proportional to 790,208.64, 1,185,192.56 and 257,728.82 is: 386,553.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,208.64 : 1,185,192.56 = 257,728.82 : x
  2. Step 2: Convert to fraction form
    790,208.64/1,185,192.56 = 257,728.82/x
  3. Step 3: Cross multiply
    790,208.64x = 1,185,192.56 × 257,728.82
  4. Step 4: Simplify right side
    790,208.64x = 305,458,279,961.58
  5. Step 5: Solve for x
    x = 305,458,279,961.58/790,208.64
  6. Step 6: Final answer
    x = 386,553.96

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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.