Home / 986,617.26-1,479,326.61-386,859.86

Finding the Fourth Proportional to 986,617.26, 1,479,326.61 and 386,859.86

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Solution

The fourth proportional to 986,617.26, 1,479,326.61 and 386,859.86 is: 580,054.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,617.26 : 1,479,326.61 = 386,859.86 : x
  2. Step 2: Convert to fraction form
    986,617.26/1,479,326.61 = 386,859.86/x
  3. Step 3: Cross multiply
    986,617.26x = 1,479,326.61 × 386,859.86
  4. Step 4: Simplify right side
    986,617.26x = 572,292,085,238.88
  5. Step 5: Solve for x
    x = 572,292,085,238.88/986,617.26
  6. Step 6: Final answer
    x = 580,054.81

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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.