Home / 806,325.26-1,210,235.22-407,246.29

Finding the Fourth Proportional to 806,325.26, 1,210,235.22 and 407,246.29

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Solution

The fourth proportional to 806,325.26, 1,210,235.22 and 407,246.29 is: 611,246.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,325.26 : 1,210,235.22 = 407,246.29 : x
  2. Step 2: Convert to fraction form
    806,325.26/1,210,235.22 = 407,246.29/x
  3. Step 3: Cross multiply
    806,325.26x = 1,210,235.22 × 407,246.29
  4. Step 4: Simplify right side
    806,325.26x = 492,863,797,321.16
  5. Step 5: Solve for x
    x = 492,863,797,321.16/806,325.26
  6. Step 6: Final answer
    x = 611,246.88

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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.