Home / 789,187.06-1,183,783.07-220,564.40

Finding the Fourth Proportional to 789,187.06, 1,183,783.07 and 220,564.40

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Solution

The fourth proportional to 789,187.06, 1,183,783.07 and 220,564.40 is: 330,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,187.06 : 1,183,783.07 = 220,564.40 : x
  2. Step 2: Convert to fraction form
    789,187.06/1,183,783.07 = 220,564.40/x
  3. Step 3: Cross multiply
    789,187.06x = 1,183,783.07 × 220,564.40
  4. Step 4: Simplify right side
    789,187.06x = 261,100,402,615.31
  5. Step 5: Solve for x
    x = 261,100,402,615.31/789,187.06
  6. Step 6: Final answer
    x = 330,847.30

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Double scale
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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.