Home / 772,758.96-1,158,320.34-259,935.90

Finding the Fourth Proportional to 772,758.96, 1,158,320.34 and 259,935.90

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Solution

The fourth proportional to 772,758.96, 1,158,320.34 and 259,935.90 is: 389,628.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,758.96 : 1,158,320.34 = 259,935.90 : x
  2. Step 2: Convert to fraction form
    772,758.96/1,158,320.34 = 259,935.90/x
  3. Step 3: Cross multiply
    772,758.96x = 1,158,320.34 × 259,935.90
  4. Step 4: Simplify right side
    772,758.96x = 301,089,040,066.21
  5. Step 5: Solve for x
    x = 301,089,040,066.21/772,758.96
  6. Step 6: Final answer
    x = 389,628.66

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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.