Home / 790,625.24-1,091,063.54-428,049.36

Finding the Fourth Proportional to 790,625.24, 1,091,063.54 and 428,049.36

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Solution

The fourth proportional to 790,625.24, 1,091,063.54 and 428,049.36 is: 590,708.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,625.24 : 1,091,063.54 = 428,049.36 : x
  2. Step 2: Convert to fraction form
    790,625.24/1,091,063.54 = 428,049.36/x
  3. Step 3: Cross multiply
    790,625.24x = 1,091,063.54 × 428,049.36
  4. Step 4: Simplify right side
    790,625.24x = 467,029,050,016.33
  5. Step 5: Solve for x
    x = 467,029,050,016.33/790,625.24
  6. Step 6: Final answer
    x = 590,708.50

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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.