Home / 806,963.24-1,210,639.50-245,963.72

Finding the Fourth Proportional to 806,963.24, 1,210,639.50 and 245,963.72

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Solution

The fourth proportional to 806,963.24, 1,210,639.50 and 245,963.72 is: 369,004.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,963.24 : 1,210,639.50 = 245,963.72 : x
  2. Step 2: Convert to fraction form
    806,963.24/1,210,639.50 = 245,963.72/x
  3. Step 3: Cross multiply
    806,963.24x = 1,210,639.50 × 245,963.72
  4. Step 4: Simplify right side
    806,963.24x = 297,773,394,998.94
  5. Step 5: Solve for x
    x = 297,773,394,998.94/806,963.24
  6. Step 6: Final answer
    x = 369,004.91

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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.