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Finding the Fourth Proportional to 770,035.64, 1,154,818.02 and 271,283

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Solution

The fourth proportional to 770,035.64, 1,154,818.02 and 271,283 is: 406,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,035.64 : 1,154,818.02 = 271,283 : x
  2. Step 2: Convert to fraction form
    770,035.64/1,154,818.02 = 271,283/x
  3. Step 3: Cross multiply
    770,035.64x = 1,154,818.02 × 271,283
  4. Step 4: Simplify right side
    770,035.64x = 313,282,496,919.66
  5. Step 5: Solve for x
    x = 313,282,496,919.66/770,035.64
  6. Step 6: Final answer
    x = 406,841.55

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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.