Home / 809,415.66-1,116,995.27-446,840.02

Finding the Fourth Proportional to 809,415.66, 1,116,995.27 and 446,840.02

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Solution

The fourth proportional to 809,415.66, 1,116,995.27 and 446,840.02 is: 616,640.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,415.66 : 1,116,995.27 = 446,840.02 : x
  2. Step 2: Convert to fraction form
    809,415.66/1,116,995.27 = 446,840.02/x
  3. Step 3: Cross multiply
    809,415.66x = 1,116,995.27 × 446,840.02
  4. Step 4: Simplify right side
    809,415.66x = 499,118,183,760.02
  5. Step 5: Solve for x
    x = 499,118,183,760.02/809,415.66
  6. Step 6: Final answer
    x = 616,640.14

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1.5x scale

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.