Home / 814,480.80-1,222,304.40-341,505.60

Finding the Fourth Proportional to 814,480.80, 1,222,304.40 and 341,505.60

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Solution

The fourth proportional to 814,480.80, 1,222,304.40 and 341,505.60 is: 512,502.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,480.80 : 1,222,304.40 = 341,505.60 : x
  2. Step 2: Convert to fraction form
    814,480.80/1,222,304.40 = 341,505.60/x
  3. Step 3: Cross multiply
    814,480.80x = 1,222,304.40 × 341,505.60
  4. Step 4: Simplify right side
    814,480.80x = 417,423,797,504.64
  5. Step 5: Solve for x
    x = 417,423,797,504.64/814,480.80
  6. Step 6: Final answer
    x = 512,502.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.