Home / 382,904.73-528,399.77-239,743.71

Finding the Fourth Proportional to 382,904.73, 528,399.77 and 239,743.71

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Solution

The fourth proportional to 382,904.73, 528,399.77 and 239,743.71 is: 330,840.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,904.73 : 528,399.77 = 239,743.71 : x
  2. Step 2: Convert to fraction form
    382,904.73/528,399.77 = 239,743.71/x
  3. Step 3: Cross multiply
    382,904.73x = 528,399.77 × 239,743.71
  4. Step 4: Simplify right side
    382,904.73x = 126,680,519,180.31
  5. Step 5: Solve for x
    x = 126,680,519,180.31/382,904.73
  6. Step 6: Final answer
    x = 330,840.84

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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.