Home / 780,336.64-1,170,504.96-219,371.20

Finding the Fourth Proportional to 780,336.64, 1,170,504.96 and 219,371.20

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Solution

The fourth proportional to 780,336.64, 1,170,504.96 and 219,371.20 is: 329,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,336.64 : 1,170,504.96 = 219,371.20 : x
  2. Step 2: Convert to fraction form
    780,336.64/1,170,504.96 = 219,371.20/x
  3. Step 3: Cross multiply
    780,336.64x = 1,170,504.96 × 219,371.20
  4. Step 4: Simplify right side
    780,336.64x = 256,775,077,681.15
  5. Step 5: Solve for x
    x = 256,775,077,681.15/780,336.64
  6. Step 6: Final answer
    x = 329,056.80

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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.