Home / 809,300.70-1,116,834.80-446,724.46

Finding the Fourth Proportional to 809,300.70, 1,116,834.80 and 446,724.46

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Solution

The fourth proportional to 809,300.70, 1,116,834.80 and 446,724.46 is: 616,479.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,300.70 : 1,116,834.80 = 446,724.46 : x
  2. Step 2: Convert to fraction form
    809,300.70/1,116,834.80 = 446,724.46/x
  3. Step 3: Cross multiply
    809,300.70x = 1,116,834.80 × 446,724.46
  4. Step 4: Simplify right side
    809,300.70x = 498,917,422,101.63
  5. Step 5: Solve for x
    x = 498,917,422,101.63/809,300.70
  6. Step 6: Final answer
    x = 616,479.66

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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.