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Finding the Fourth Proportional to 608,991.25, 840,351 and 363,927.39

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Solution

The fourth proportional to 608,991.25, 840,351 and 363,927.39 is: 502,185.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,991.25 : 840,351 = 363,927.39 : x
  2. Step 2: Convert to fraction form
    608,991.25/840,351 = 363,927.39/x
  3. Step 3: Cross multiply
    608,991.25x = 840,351 × 363,927.39
  4. Step 4: Simplify right side
    608,991.25x = 305,826,746,113.89
  5. Step 5: Solve for x
    x = 305,826,746,113.89/608,991.25
  6. Step 6: Final answer
    x = 502,185.78

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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.