Home / 615,674-849,771.56-361,107.20

Finding the Fourth Proportional to 615,674, 849,771.56 and 361,107.20

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Solution

The fourth proportional to 615,674, 849,771.56 and 361,107.20 is: 498,410.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,674 : 849,771.56 = 361,107.20 : x
  2. Step 2: Convert to fraction form
    615,674/849,771.56 = 361,107.20/x
  3. Step 3: Cross multiply
    615,674x = 849,771.56 × 361,107.20
  4. Step 4: Simplify right side
    615,674x = 306,858,628,671.23
  5. Step 5: Solve for x
    x = 306,858,628,671.23/615,674
  6. Step 6: Final answer
    x = 498,410.89

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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.