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Finding the Fourth Proportional to 936,798, 1,405,235.88 and 271,950

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Solution

The fourth proportional to 936,798, 1,405,235.88 and 271,950 is: 407,936.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,798 : 1,405,235.88 = 271,950 : x
  2. Step 2: Convert to fraction form
    936,798/1,405,235.88 = 271,950/x
  3. Step 3: Cross multiply
    936,798x = 1,405,235.88 × 271,950
  4. Step 4: Simplify right side
    936,798x = 382,153,897,566
  5. Step 5: Solve for x
    x = 382,153,897,566/936,798
  6. Step 6: Final answer
    x = 407,936.29

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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.