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Finding the Fourth Proportional to 529,806.58, 730,954.15 and 300,339.26

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Solution

The fourth proportional to 529,806.58, 730,954.15 and 300,339.26 is: 414,366.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,806.58 : 730,954.15 = 300,339.26 : x
  2. Step 2: Convert to fraction form
    529,806.58/730,954.15 = 300,339.26/x
  3. Step 3: Cross multiply
    529,806.58x = 730,954.15 × 300,339.26
  4. Step 4: Simplify right side
    529,806.58x = 219,534,228,504.93
  5. Step 5: Solve for x
    x = 219,534,228,504.93/529,806.58
  6. Step 6: Final answer
    x = 414,366.75

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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.