Home / 840,724.92-1,261,165.68-335,163.42

Finding the Fourth Proportional to 840,724.92, 1,261,165.68 and 335,163.42

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Solution

The fourth proportional to 840,724.92, 1,261,165.68 and 335,163.42 is: 502,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,724.92 : 1,261,165.68 = 335,163.42 : x
  2. Step 2: Convert to fraction form
    840,724.92/1,261,165.68 = 335,163.42/x
  3. Step 3: Cross multiply
    840,724.92x = 1,261,165.68 × 335,163.42
  4. Step 4: Simplify right side
    840,724.92x = 422,696,602,495.43
  5. Step 5: Solve for x
    x = 422,696,602,495.43/840,724.92
  6. Step 6: Final answer
    x = 502,776.35

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1.5x scale

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.