Home / 789,743.56-1,184,614.38-257,263.72

Finding the Fourth Proportional to 789,743.56, 1,184,614.38 and 257,263.72

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Solution

The fourth proportional to 789,743.56, 1,184,614.38 and 257,263.72 is: 385,895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,743.56 : 1,184,614.38 = 257,263.72 : x
  2. Step 2: Convert to fraction form
    789,743.56/1,184,614.38 = 257,263.72/x
  3. Step 3: Cross multiply
    789,743.56x = 1,184,614.38 × 257,263.72
  4. Step 4: Simplify right side
    789,743.56x = 304,758,302,164.29
  5. Step 5: Solve for x
    x = 304,758,302,164.29/789,743.56
  6. Step 6: Final answer
    x = 385,895.27

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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.