Home / 746,628.22-1,119,946.79-185,662.72

Finding the Fourth Proportional to 746,628.22, 1,119,946.79 and 185,662.72

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Solution

The fourth proportional to 746,628.22, 1,119,946.79 and 185,662.72 is: 278,495.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,628.22 : 1,119,946.79 = 185,662.72 : x
  2. Step 2: Convert to fraction form
    746,628.22/1,119,946.79 = 185,662.72/x
  3. Step 3: Cross multiply
    746,628.22x = 1,119,946.79 × 185,662.72
  4. Step 4: Simplify right side
    746,628.22x = 207,932,360,758.62
  5. Step 5: Solve for x
    x = 207,932,360,758.62/746,628.22
  6. Step 6: Final answer
    x = 278,495.18

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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.