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Finding the Fourth Proportional to 793.88, 1,095.02 and 462.20

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Solution

The fourth proportional to 793.88, 1,095.02 and 462.20 is: 637.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.88 : 1,095.02 = 462.20 : x
  2. Step 2: Convert to fraction form
    793.88/1,095.02 = 462.20/x
  3. Step 3: Cross multiply
    793.88x = 1,095.02 × 462.20
  4. Step 4: Simplify right side
    793.88x = 506,118.24
  5. Step 5: Solve for x
    x = 506,118.24/793.88
  6. Step 6: Final answer
    x = 637.52

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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.