Home / 806,318.96-1,209,653.39-245,338.88

Finding the Fourth Proportional to 806,318.96, 1,209,653.39 and 245,338.88

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Solution

The fourth proportional to 806,318.96, 1,209,653.39 and 245,338.88 is: 368,061.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,318.96 : 1,209,653.39 = 245,338.88 : x
  2. Step 2: Convert to fraction form
    806,318.96/1,209,653.39 = 245,338.88/x
  3. Step 3: Cross multiply
    806,318.96x = 1,209,653.39 × 245,338.88
  4. Step 4: Simplify right side
    806,318.96x = 296,775,002,455.88
  5. Step 5: Solve for x
    x = 296,775,002,455.88/806,318.96
  6. Step 6: Final answer
    x = 368,061.55

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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.