Home / 785,790.44-1,177,276.38-477,481.64

Finding the Fourth Proportional to 785,790.44, 1,177,276.38 and 477,481.64

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Solution

The fourth proportional to 785,790.44, 1,177,276.38 and 477,481.64 is: 715,366.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,790.44 : 1,177,276.38 = 477,481.64 : x
  2. Step 2: Convert to fraction form
    785,790.44/1,177,276.38 = 477,481.64/x
  3. Step 3: Cross multiply
    785,790.44x = 1,177,276.38 × 477,481.64
  4. Step 4: Simplify right side
    785,790.44x = 562,127,856,655.66
  5. Step 5: Solve for x
    x = 562,127,856,655.66/785,790.44
  6. Step 6: Final answer
    x = 715,366.12

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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.