Home / 789,706.72-1,184,569.26-221,054.05

Finding the Fourth Proportional to 789,706.72, 1,184,569.26 and 221,054.05

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Solution

The fourth proportional to 789,706.72, 1,184,569.26 and 221,054.05 is: 331,583.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,706.72 : 1,184,569.26 = 221,054.05 : x
  2. Step 2: Convert to fraction form
    789,706.72/1,184,569.26 = 221,054.05/x
  3. Step 3: Cross multiply
    789,706.72x = 1,184,569.26 × 221,054.05
  4. Step 4: Simplify right side
    789,706.72x = 261,853,832,428.50
  5. Step 5: Solve for x
    x = 261,853,832,428.50/789,706.72
  6. Step 6: Final answer
    x = 331,583.64

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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.