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Finding the Fourth Proportional to 528,325.97, 729,089.84 and 301,976.33

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Solution

The fourth proportional to 528,325.97, 729,089.84 and 301,976.33 is: 416,727.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,325.97 : 729,089.84 = 301,976.33 : x
  2. Step 2: Convert to fraction form
    528,325.97/729,089.84 = 301,976.33/x
  3. Step 3: Cross multiply
    528,325.97x = 729,089.84 × 301,976.33
  4. Step 4: Simplify right side
    528,325.97x = 220,167,872,834.65
  5. Step 5: Solve for x
    x = 220,167,872,834.65/528,325.97
  6. Step 6: Final answer
    x = 416,727.33

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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.