Home / 789,749.56-1,184,623.38-257,269.72

Finding the Fourth Proportional to 789,749.56, 1,184,623.38 and 257,269.72

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Solution

The fourth proportional to 789,749.56, 1,184,623.38 and 257,269.72 is: 385,904.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,749.56 : 1,184,623.38 = 257,269.72 : x
  2. Step 2: Convert to fraction form
    789,749.56/1,184,623.38 = 257,269.72/x
  3. Step 3: Cross multiply
    789,749.56x = 1,184,623.38 × 257,269.72
  4. Step 4: Simplify right side
    789,749.56x = 304,767,725,278.05
  5. Step 5: Solve for x
    x = 304,767,725,278.05/789,749.56
  6. Step 6: Final answer
    x = 385,904.27

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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.