Home / 741,627.42-1,112,844.81-315,096.54

Finding the Fourth Proportional to 741,627.42, 1,112,844.81 and 315,096.54

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Solution

The fourth proportional to 741,627.42, 1,112,844.81 and 315,096.54 is: 472,816.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,627.42 : 1,112,844.81 = 315,096.54 : x
  2. Step 2: Convert to fraction form
    741,627.42/1,112,844.81 = 315,096.54/x
  3. Step 3: Cross multiply
    741,627.42x = 1,112,844.81 × 315,096.54
  4. Step 4: Simplify right side
    741,627.42x = 350,653,549,187.96
  5. Step 5: Solve for x
    x = 350,653,549,187.96/741,627.42
  6. Step 6: Final answer
    x = 472,816.32

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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.