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Finding the Fourth Proportional to 529,969.03, 731,336.24 and 288,251.26

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Solution

The fourth proportional to 529,969.03, 731,336.24 and 288,251.26 is: 397,775.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,969.03 : 731,336.24 = 288,251.26 : x
  2. Step 2: Convert to fraction form
    529,969.03/731,336.24 = 288,251.26/x
  3. Step 3: Cross multiply
    529,969.03x = 731,336.24 × 288,251.26
  4. Step 4: Simplify right side
    529,969.03x = 210,808,591,555.95
  5. Step 5: Solve for x
    x = 210,808,591,555.95/529,969.03
  6. Step 6: Final answer
    x = 397,775.31

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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.