Home / 894,921.60-1,342,382.40-303,945.60

Finding the Fourth Proportional to 894,921.60, 1,342,382.40 and 303,945.60

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Solution

The fourth proportional to 894,921.60, 1,342,382.40 and 303,945.60 is: 455,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,921.60 : 1,342,382.40 = 303,945.60 : x
  2. Step 2: Convert to fraction form
    894,921.60/1,342,382.40 = 303,945.60/x
  3. Step 3: Cross multiply
    894,921.60x = 1,342,382.40 × 303,945.60
  4. Step 4: Simplify right side
    894,921.60x = 408,011,223,997.44
  5. Step 5: Solve for x
    x = 408,011,223,997.44/894,921.60
  6. Step 6: Final answer
    x = 455,918.40

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Double scale
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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.