Home / 790,396.52-1,090,449.46-518,614.44

Finding the Fourth Proportional to 790,396.52, 1,090,449.46 and 518,614.44

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Solution

The fourth proportional to 790,396.52, 1,090,449.46 and 518,614.44 is: 715,492.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,396.52 : 1,090,449.46 = 518,614.44 : x
  2. Step 2: Convert to fraction form
    790,396.52/1,090,449.46 = 518,614.44/x
  3. Step 3: Cross multiply
    790,396.52x = 1,090,449.46 × 518,614.44
  4. Step 4: Simplify right side
    790,396.52x = 565,522,836,046.20
  5. Step 5: Solve for x
    x = 565,522,836,046.20/790,396.52
  6. Step 6: Final answer
    x = 715,492.57

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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.