Home / 864,249.32-1,192,664.16-477,064.88

Finding the Fourth Proportional to 864,249.32, 1,192,664.16 and 477,064.88

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Solution

The fourth proportional to 864,249.32, 1,192,664.16 and 477,064.88 is: 658,349.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,249.32 : 1,192,664.16 = 477,064.88 : x
  2. Step 2: Convert to fraction form
    864,249.32/1,192,664.16 = 477,064.88/x
  3. Step 3: Cross multiply
    864,249.32x = 1,192,664.16 × 477,064.88
  4. Step 4: Simplify right side
    864,249.32x = 568,978,184,370.70
  5. Step 5: Solve for x
    x = 568,978,184,370.70/864,249.32
  6. Step 6: Final answer
    x = 658,349.59

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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.