Home / 528,326.97-729,091.22-301,977.33

Finding the Fourth Proportional to 528,326.97, 729,091.22 and 301,977.33

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Solution

The fourth proportional to 528,326.97, 729,091.22 and 301,977.33 is: 416,728.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,326.97 : 729,091.22 = 301,977.33 : x
  2. Step 2: Convert to fraction form
    528,326.97/729,091.22 = 301,977.33/x
  3. Step 3: Cross multiply
    528,326.97x = 729,091.22 × 301,977.33
  4. Step 4: Simplify right side
    528,326.97x = 220,169,019,942.04
  5. Step 5: Solve for x
    x = 220,169,019,942.04/528,326.97
  6. Step 6: Final answer
    x = 416,728.72

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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.