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Finding the Fourth Proportional to 432,815.09, 652,176.91 and 355,657.73

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Solution

The fourth proportional to 432,815.09, 652,176.91 and 355,657.73 is: 535,914.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,815.09 : 652,176.91 = 355,657.73 : x
  2. Step 2: Convert to fraction form
    432,815.09/652,176.91 = 355,657.73/x
  3. Step 3: Cross multiply
    432,815.09x = 652,176.91 × 355,657.73
  4. Step 4: Simplify right side
    432,815.09x = 231,951,759,369.01
  5. Step 5: Solve for x
    x = 231,951,759,369.01/432,815.09
  6. Step 6: Final answer
    x = 535,914.22

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.