Home / 382,904.54-528,399.51-239,743.52

Finding the Fourth Proportional to 382,904.54, 528,399.51 and 239,743.52

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Solution

The fourth proportional to 382,904.54, 528,399.51 and 239,743.52 is: 330,840.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,904.54 : 528,399.51 = 239,743.52 : x
  2. Step 2: Convert to fraction form
    382,904.54/528,399.51 = 239,743.52/x
  3. Step 3: Cross multiply
    382,904.54x = 528,399.51 × 239,743.52
  4. Step 4: Simplify right side
    382,904.54x = 126,680,358,493.68
  5. Step 5: Solve for x
    x = 126,680,358,493.68/382,904.54
  6. Step 6: Final answer
    x = 330,840.58

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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.