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Finding the Fourth Proportional to 848.94, 1,270.83 and 519

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Solution

The fourth proportional to 848.94, 1,270.83 and 519 is: 776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.94 : 1,270.83 = 519 : x
  2. Step 2: Convert to fraction form
    848.94/1,270.83 = 519/x
  3. Step 3: Cross multiply
    848.94x = 1,270.83 × 519
  4. Step 4: Simplify right side
    848.94x = 659,560.77
  5. Step 5: Solve for x
    x = 659,560.77/848.94
  6. Step 6: Final answer
    x = 776.92

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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.