Home / 792,536.16-1,188,843.12-319,157.58

Finding the Fourth Proportional to 792,536.16, 1,188,843.12 and 319,157.58

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Solution

The fourth proportional to 792,536.16, 1,188,843.12 and 319,157.58 is: 478,752.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,536.16 : 1,188,843.12 = 319,157.58 : x
  2. Step 2: Convert to fraction form
    792,536.16/1,188,843.12 = 319,157.58/x
  3. Step 3: Cross multiply
    792,536.16x = 1,188,843.12 × 319,157.58
  4. Step 4: Simplify right side
    792,536.16x = 379,428,293,178.85
  5. Step 5: Solve for x
    x = 379,428,293,178.85/792,536.16
  6. Step 6: Final answer
    x = 478,752.03

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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.