Home / 775,610.72-1,163,407.44-302,628.32

Finding the Fourth Proportional to 775,610.72, 1,163,407.44 and 302,628.32

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Solution

The fourth proportional to 775,610.72, 1,163,407.44 and 302,628.32 is: 453,939.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,610.72 : 1,163,407.44 = 302,628.32 : x
  2. Step 2: Convert to fraction form
    775,610.72/1,163,407.44 = 302,628.32/x
  3. Step 3: Cross multiply
    775,610.72x = 1,163,407.44 × 302,628.32
  4. Step 4: Simplify right side
    775,610.72x = 352,080,039,042.70
  5. Step 5: Solve for x
    x = 352,080,039,042.70/775,610.72
  6. Step 6: Final answer
    x = 453,939.11

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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.