Home / 798,685.44-1,198,313.28-343,085.28

Finding the Fourth Proportional to 798,685.44, 1,198,313.28 and 343,085.28

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Solution

The fourth proportional to 798,685.44, 1,198,313.28 and 343,085.28 is: 514,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,685.44 : 1,198,313.28 = 343,085.28 : x
  2. Step 2: Convert to fraction form
    798,685.44/1,198,313.28 = 343,085.28/x
  3. Step 3: Cross multiply
    798,685.44x = 1,198,313.28 × 343,085.28
  4. Step 4: Simplify right side
    798,685.44x = 411,123,647,196.52
  5. Step 5: Solve for x
    x = 411,123,647,196.52/798,685.44
  6. Step 6: Final answer
    x = 514,750.40

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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.