Home / 809,319.62-1,116,854.78-446,743.59

Finding the Fourth Proportional to 809,319.62, 1,116,854.78 and 446,743.59

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Solution

The fourth proportional to 809,319.62, 1,116,854.78 and 446,743.59 is: 616,502.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,319.62 : 1,116,854.78 = 446,743.59 : x
  2. Step 2: Convert to fraction form
    809,319.62/1,116,854.78 = 446,743.59/x
  3. Step 3: Cross multiply
    809,319.62x = 1,116,854.78 × 446,743.59
  4. Step 4: Simplify right side
    809,319.62x = 498,947,711,692.14
  5. Step 5: Solve for x
    x = 498,947,711,692.14/809,319.62
  6. Step 6: Final answer
    x = 616,502.68

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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.