Home / 790,447.22-1,090,964.94-450,915.47

Finding the Fourth Proportional to 790,447.22, 1,090,964.94 and 450,915.47

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Solution

The fourth proportional to 790,447.22, 1,090,964.94 and 450,915.47 is: 622,347.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,447.22 : 1,090,964.94 = 450,915.47 : x
  2. Step 2: Convert to fraction form
    790,447.22/1,090,964.94 = 450,915.47/x
  3. Step 3: Cross multiply
    790,447.22x = 1,090,964.94 × 450,915.47
  4. Step 4: Simplify right side
    790,447.22x = 491,932,965,618.98
  5. Step 5: Solve for x
    x = 491,932,965,618.98/790,447.22
  6. Step 6: Final answer
    x = 622,347.65

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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.