Home / 806,718.38-1,210,087.29-245,757.74

Finding the Fourth Proportional to 806,718.38, 1,210,087.29 and 245,757.74

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Solution

The fourth proportional to 806,718.38, 1,210,087.29 and 245,757.74 is: 368,639.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,718.38 : 1,210,087.29 = 245,757.74 : x
  2. Step 2: Convert to fraction form
    806,718.38/1,210,087.29 = 245,757.74/x
  3. Step 3: Cross multiply
    806,718.38x = 1,210,087.29 × 245,757.74
  4. Step 4: Simplify right side
    806,718.38x = 297,388,317,593.13
  5. Step 5: Solve for x
    x = 297,388,317,593.13/806,718.38
  6. Step 6: Final answer
    x = 368,639.57

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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.