Home / 615,629.44-849,582.08-339,986.48

Finding the Fourth Proportional to 615,629.44, 849,582.08 and 339,986.48

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Solution

The fourth proportional to 615,629.44, 849,582.08 and 339,986.48 is: 469,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,629.44 : 849,582.08 = 339,986.48 : x
  2. Step 2: Convert to fraction form
    615,629.44/849,582.08 = 339,986.48/x
  3. Step 3: Cross multiply
    615,629.44x = 849,582.08 × 339,986.48
  4. Step 4: Simplify right side
    615,629.44x = 288,846,420,850.28
  5. Step 5: Solve for x
    x = 288,846,420,850.28/615,629.44
  6. Step 6: Final answer
    x = 469,188.77

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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.