Home / 780,319.44-1,170,479.16-219,353.94

Finding the Fourth Proportional to 780,319.44, 1,170,479.16 and 219,353.94

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Solution

The fourth proportional to 780,319.44, 1,170,479.16 and 219,353.94 is: 329,030.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,319.44 : 1,170,479.16 = 219,353.94 : x
  2. Step 2: Convert to fraction form
    780,319.44/1,170,479.16 = 219,353.94/x
  3. Step 3: Cross multiply
    780,319.44x = 1,170,479.16 × 219,353.94
  4. Step 4: Simplify right side
    780,319.44x = 256,749,215,433.89
  5. Step 5: Solve for x
    x = 256,749,215,433.89/780,319.44
  6. Step 6: Final answer
    x = 329,030.91

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Similar ratio
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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.