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Finding the Fourth Proportional to 528,167.52, 728,857.52 and 301,813.04

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Solution

The fourth proportional to 528,167.52, 728,857.52 and 301,813.04 is: 416,494.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,167.52 : 728,857.52 = 301,813.04 : x
  2. Step 2: Convert to fraction form
    528,167.52/728,857.52 = 301,813.04/x
  3. Step 3: Cross multiply
    528,167.52x = 728,857.52 × 301,813.04
  4. Step 4: Simplify right side
    528,167.52x = 219,978,703,838.06
  5. Step 5: Solve for x
    x = 219,978,703,838.06/528,167.52
  6. Step 6: Final answer
    x = 416,494.19

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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.