Home / 528,326.03-729,089.92-301,976.39

Finding the Fourth Proportional to 528,326.03, 729,089.92 and 301,976.39

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Solution

The fourth proportional to 528,326.03, 729,089.92 and 301,976.39 is: 416,727.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,326.03 : 729,089.92 = 301,976.39 : x
  2. Step 2: Convert to fraction form
    528,326.03/729,089.92 = 301,976.39/x
  3. Step 3: Cross multiply
    528,326.03x = 729,089.92 × 301,976.39
  4. Step 4: Simplify right side
    528,326.03x = 220,167,942,026.99
  5. Step 5: Solve for x
    x = 220,167,942,026.99/528,326.03
  6. Step 6: Final answer
    x = 416,727.42

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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.