Home / 952,012.80-1,428,019.20-419,259.60

Finding the Fourth Proportional to 952,012.80, 1,428,019.20 and 419,259.60

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Solution

The fourth proportional to 952,012.80, 1,428,019.20 and 419,259.60 is: 628,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,012.80 : 1,428,019.20 = 419,259.60 : x
  2. Step 2: Convert to fraction form
    952,012.80/1,428,019.20 = 419,259.60/x
  3. Step 3: Cross multiply
    952,012.80x = 1,428,019.20 × 419,259.60
  4. Step 4: Simplify right side
    952,012.80x = 598,710,758,584.32
  5. Step 5: Solve for x
    x = 598,710,758,584.32/952,012.80
  6. Step 6: Final answer
    x = 628,889.40

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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.