Home / 789,199.62-1,089,094.05-426,623.70

Finding the Fourth Proportional to 789,199.62, 1,089,094.05 and 426,623.70

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Solution

The fourth proportional to 789,199.62, 1,089,094.05 and 426,623.70 is: 588,739.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,199.62 : 1,089,094.05 = 426,623.70 : x
  2. Step 2: Convert to fraction form
    789,199.62/1,089,094.05 = 426,623.70/x
  3. Step 3: Cross multiply
    789,199.62x = 1,089,094.05 × 426,623.70
  4. Step 4: Simplify right side
    789,199.62x = 464,633,333,258.99
  5. Step 5: Solve for x
    x = 464,633,333,258.99/789,199.62
  6. Step 6: Final answer
    x = 588,739.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.