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Finding the Fourth Proportional to 529,366.73, 730,230.41 and 325,275.89

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Solution

The fourth proportional to 529,366.73, 730,230.41 and 325,275.89 is: 448,699.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,366.73 : 730,230.41 = 325,275.89 : x
  2. Step 2: Convert to fraction form
    529,366.73/730,230.41 = 325,275.89/x
  3. Step 3: Cross multiply
    529,366.73x = 730,230.41 × 325,275.89
  4. Step 4: Simplify right side
    529,366.73x = 237,526,344,891.44
  5. Step 5: Solve for x
    x = 237,526,344,891.44/529,366.73
  6. Step 6: Final answer
    x = 448,699.04

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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.