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Finding the Fourth Proportional to 794.99, 1,193.51 and 612.50

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Solution

The fourth proportional to 794.99, 1,193.51 and 612.50 is: 919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.99 : 1,193.51 = 612.50 : x
  2. Step 2: Convert to fraction form
    794.99/1,193.51 = 612.50/x
  3. Step 3: Cross multiply
    794.99x = 1,193.51 × 612.50
  4. Step 4: Simplify right side
    794.99x = 731,029.39
  5. Step 5: Solve for x
    x = 731,029.39/794.99
  6. Step 6: Final answer
    x = 919.54

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1.5x scale

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.