Home / 682,628.10-1,022,636.55-366,980.10

Finding the Fourth Proportional to 682,628.10, 1,022,636.55 and 366,980.10

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Solution

The fourth proportional to 682,628.10, 1,022,636.55 and 366,980.10 is: 549,768.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,628.10 : 1,022,636.55 = 366,980.10 : x
  2. Step 2: Convert to fraction form
    682,628.10/1,022,636.55 = 366,980.10/x
  3. Step 3: Cross multiply
    682,628.10x = 1,022,636.55 × 366,980.10
  4. Step 4: Simplify right side
    682,628.10x = 375,287,263,382.66
  5. Step 5: Solve for x
    x = 375,287,263,382.66/682,628.10
  6. Step 6: Final answer
    x = 549,768.26

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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.