Home / 952,014.80-1,428,022.20-419,261.60

Finding the Fourth Proportional to 952,014.80, 1,428,022.20 and 419,261.60

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Solution

The fourth proportional to 952,014.80, 1,428,022.20 and 419,261.60 is: 628,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,014.80 : 1,428,022.20 = 419,261.60 : x
  2. Step 2: Convert to fraction form
    952,014.80/1,428,022.20 = 419,261.60/x
  3. Step 3: Cross multiply
    952,014.80x = 1,428,022.20 × 419,261.60
  4. Step 4: Simplify right side
    952,014.80x = 598,714,872,407.52
  5. Step 5: Solve for x
    x = 598,714,872,407.52/952,014.80
  6. Step 6: Final answer
    x = 628,892.40

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Similar ratio
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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.