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Finding the Fourth Proportional to 793.58, 1,095.12 and 479.02

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Solution

The fourth proportional to 793.58, 1,095.12 and 479.02 is: 661.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.58 : 1,095.12 = 479.02 : x
  2. Step 2: Convert to fraction form
    793.58/1,095.12 = 479.02/x
  3. Step 3: Cross multiply
    793.58x = 1,095.12 × 479.02
  4. Step 4: Simplify right side
    793.58x = 524,584.38
  5. Step 5: Solve for x
    x = 524,584.38/793.58
  6. Step 6: Final answer
    x = 661.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.