Home / 806,926.80-1,210,040.24-274,304.80

Finding the Fourth Proportional to 806,926.80, 1,210,040.24 and 274,304.80

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Solution

The fourth proportional to 806,926.80, 1,210,040.24 and 274,304.80 is: 411,338.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,926.80 : 1,210,040.24 = 274,304.80 : x
  2. Step 2: Convert to fraction form
    806,926.80/1,210,040.24 = 274,304.80/x
  3. Step 3: Cross multiply
    806,926.80x = 1,210,040.24 × 274,304.80
  4. Step 4: Simplify right side
    806,926.80x = 331,919,846,025.15
  5. Step 5: Solve for x
    x = 331,919,846,025.15/806,926.80
  6. Step 6: Final answer
    x = 411,338.24

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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.