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Finding the Fourth Proportional to 511,476.93, 767,436.66 and 274,543.02

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Solution

The fourth proportional to 511,476.93, 767,436.66 and 274,543.02 is: 411,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,476.93 : 767,436.66 = 274,543.02 : x
  2. Step 2: Convert to fraction form
    511,476.93/767,436.66 = 274,543.02/x
  3. Step 3: Cross multiply
    511,476.93x = 767,436.66 × 274,543.02
  4. Step 4: Simplify right side
    511,476.93x = 210,694,378,295.11
  5. Step 5: Solve for x
    x = 210,694,378,295.11/511,476.93
  6. Step 6: Final answer
    x = 411,933.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.