Home / 780,400.44-1,170,601.07-219,434.94

Finding the Fourth Proportional to 780,400.44, 1,170,601.07 and 219,434.94

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Solution

The fourth proportional to 780,400.44, 1,170,601.07 and 219,434.94 is: 329,152.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,400.44 : 1,170,601.07 = 219,434.94 : x
  2. Step 2: Convert to fraction form
    780,400.44/1,170,601.07 = 219,434.94/x
  3. Step 3: Cross multiply
    780,400.44x = 1,170,601.07 × 219,434.94
  4. Step 4: Simplify right side
    780,400.44x = 256,870,774,462.21
  5. Step 5: Solve for x
    x = 256,870,774,462.21/780,400.44
  6. Step 6: Final answer
    x = 329,152.52

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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.