Home / 806,730.85-1,210,151.73-266,986.15

Finding the Fourth Proportional to 806,730.85, 1,210,151.73 and 266,986.15

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Solution

The fourth proportional to 806,730.85, 1,210,151.73 and 266,986.15 is: 400,497.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,730.85 : 1,210,151.73 = 266,986.15 : x
  2. Step 2: Convert to fraction form
    806,730.85/1,210,151.73 = 266,986.15/x
  3. Step 3: Cross multiply
    806,730.85x = 1,210,151.73 × 266,986.15
  4. Step 4: Simplify right side
    806,730.85x = 323,093,751,308.54
  5. Step 5: Solve for x
    x = 323,093,751,308.54/806,730.85
  6. Step 6: Final answer
    x = 400,497.58

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1.5x scale

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.