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Finding the Fourth Proportional to 793.04, 1,187.94 and 619.52

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Solution

The fourth proportional to 793.04, 1,187.94 and 619.52 is: 928.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.04 : 1,187.94 = 619.52 : x
  2. Step 2: Convert to fraction form
    793.04/1,187.94 = 619.52/x
  3. Step 3: Cross multiply
    793.04x = 1,187.94 × 619.52
  4. Step 4: Simplify right side
    793.04x = 735,952.59
  5. Step 5: Solve for x
    x = 735,952.59/793.04
  6. Step 6: Final answer
    x = 928.01

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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.