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Finding the Fourth Proportional to 608,269.33, 839,387.91 and 363,295.63

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Solution

The fourth proportional to 608,269.33, 839,387.91 and 363,295.63 is: 501,333.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,269.33 : 839,387.91 = 363,295.63 : x
  2. Step 2: Convert to fraction form
    608,269.33/839,387.91 = 363,295.63/x
  3. Step 3: Cross multiply
    608,269.33x = 839,387.91 × 363,295.63
  4. Step 4: Simplify right side
    608,269.33x = 304,945,959,577.83
  5. Step 5: Solve for x
    x = 304,945,959,577.83/608,269.33
  6. Step 6: Final answer
    x = 501,333.78

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1.5x scale

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.