Home / 780,465.06-1,170,697.72-219,499.56

Finding the Fourth Proportional to 780,465.06, 1,170,697.72 and 219,499.56

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Solution

The fourth proportional to 780,465.06, 1,170,697.72 and 219,499.56 is: 329,249.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,465.06 : 1,170,697.72 = 219,499.56 : x
  2. Step 2: Convert to fraction form
    780,465.06/1,170,697.72 = 219,499.56/x
  3. Step 3: Cross multiply
    780,465.06x = 1,170,697.72 × 219,499.56
  4. Step 4: Simplify right side
    780,465.06x = 256,967,634,433.00
  5. Step 5: Solve for x
    x = 256,967,634,433.00/780,465.06
  6. Step 6: Final answer
    x = 329,249.38

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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.