Home / 809,217.81-1,116,641.03-446,618.30

Finding the Fourth Proportional to 809,217.81, 1,116,641.03 and 446,618.30

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Solution

The fourth proportional to 809,217.81, 1,116,641.03 and 446,618.30 is: 616,289.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,217.81 : 1,116,641.03 = 446,618.30 : x
  2. Step 2: Convert to fraction form
    809,217.81/1,116,641.03 = 446,618.30/x
  3. Step 3: Cross multiply
    809,217.81x = 1,116,641.03 × 446,618.30
  4. Step 4: Simplify right side
    809,217.81x = 498,712,310,712.55
  5. Step 5: Solve for x
    x = 498,712,310,712.55/809,217.81
  6. Step 6: Final answer
    x = 616,289.34

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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.