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Finding the Fourth Proportional to 777,893.70, 1,166,373.81 and 304,014.54

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Solution

The fourth proportional to 777,893.70, 1,166,373.81 and 304,014.54 is: 455,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,893.70 : 1,166,373.81 = 304,014.54 : x
  2. Step 2: Convert to fraction form
    777,893.70/1,166,373.81 = 304,014.54/x
  3. Step 3: Cross multiply
    777,893.70x = 1,166,373.81 × 304,014.54
  4. Step 4: Simplify right side
    777,893.70x = 354,594,597,315.20
  5. Step 5: Solve for x
    x = 354,594,597,315.20/777,893.70
  6. Step 6: Final answer
    x = 455,839.40

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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.