Home / 793,519.28-1,189,841.52-413,491.60

Finding the Fourth Proportional to 793,519.28, 1,189,841.52 and 413,491.60

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Solution

The fourth proportional to 793,519.28, 1,189,841.52 and 413,491.60 is: 620,009.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,519.28 : 1,189,841.52 = 413,491.60 : x
  2. Step 2: Convert to fraction form
    793,519.28/1,189,841.52 = 413,491.60/x
  3. Step 3: Cross multiply
    793,519.28x = 1,189,841.52 × 413,491.60
  4. Step 4: Simplify right side
    793,519.28x = 491,989,473,851.23
  5. Step 5: Solve for x
    x = 491,989,473,851.23/793,519.28
  6. Step 6: Final answer
    x = 620,009.48

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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.