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Finding the Fourth Proportional to 615,736.56, 849,858.12 and 361,169.76

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Solution

The fourth proportional to 615,736.56, 849,858.12 and 361,169.76 is: 498,497.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,736.56 : 849,858.12 = 361,169.76 : x
  2. Step 2: Convert to fraction form
    615,736.56/849,858.12 = 361,169.76/x
  3. Step 3: Cross multiply
    615,736.56x = 849,858.12 × 361,169.76
  4. Step 4: Simplify right side
    615,736.56x = 306,943,053,234.45
  5. Step 5: Solve for x
    x = 306,943,053,234.45/615,736.56
  6. Step 6: Final answer
    x = 498,497.37

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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.