Home / 734,458.40-1,100,823.60-419,213.60

Finding the Fourth Proportional to 734,458.40, 1,100,823.60 and 419,213.60

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Solution

The fourth proportional to 734,458.40, 1,100,823.60 and 419,213.60 is: 628,327.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,458.40 : 1,100,823.60 = 419,213.60 : x
  2. Step 2: Convert to fraction form
    734,458.40/1,100,823.60 = 419,213.60/x
  3. Step 3: Cross multiply
    734,458.40x = 1,100,823.60 × 419,213.60
  4. Step 4: Simplify right side
    734,458.40x = 461,480,224,320.96
  5. Step 5: Solve for x
    x = 461,480,224,320.96/734,458.40
  6. Step 6: Final answer
    x = 628,327.25

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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.