Home / 789,755.56-1,184,632.40-257,275.72

Finding the Fourth Proportional to 789,755.56, 1,184,632.40 and 257,275.72

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Solution

The fourth proportional to 789,755.56, 1,184,632.40 and 257,275.72 is: 385,913.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,755.56 : 1,184,632.40 = 257,275.72 : x
  2. Step 2: Convert to fraction form
    789,755.56/1,184,632.40 = 257,275.72/x
  3. Step 3: Cross multiply
    789,755.56x = 1,184,632.40 × 257,275.72
  4. Step 4: Simplify right side
    789,755.56x = 304,777,153,645.33
  5. Step 5: Solve for x
    x = 304,777,153,645.33/789,755.56
  6. Step 6: Final answer
    x = 385,913.27

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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.