Home / 809,284.71-1,116,812.96-446,708.66

Finding the Fourth Proportional to 809,284.71, 1,116,812.96 and 446,708.66

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Solution

The fourth proportional to 809,284.71, 1,116,812.96 and 446,708.66 is: 616,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,284.71 : 1,116,812.96 = 446,708.66 : x
  2. Step 2: Convert to fraction form
    809,284.71/1,116,812.96 = 446,708.66/x
  3. Step 3: Cross multiply
    809,284.71x = 1,116,812.96 × 446,708.66
  4. Step 4: Simplify right side
    809,284.71x = 498,890,013,014.63
  5. Step 5: Solve for x
    x = 498,890,013,014.63/809,284.71
  6. Step 6: Final answer
    x = 616,457.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.