Home / 846,498.11-1,269,935.34-396,979.40

Finding the Fourth Proportional to 846,498.11, 1,269,935.34 and 396,979.40

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Solution

The fourth proportional to 846,498.11, 1,269,935.34 and 396,979.40 is: 595,557.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,498.11 : 1,269,935.34 = 396,979.40 : x
  2. Step 2: Convert to fraction form
    846,498.11/1,269,935.34 = 396,979.40/x
  3. Step 3: Cross multiply
    846,498.11x = 1,269,935.34 × 396,979.40
  4. Step 4: Simplify right side
    846,498.11x = 504,138,161,473.65
  5. Step 5: Solve for x
    x = 504,138,161,473.65/846,498.11
  6. Step 6: Final answer
    x = 595,557.34

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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.