Home / 806,968.72-1,210,452.81-267,079.96

Finding the Fourth Proportional to 806,968.72, 1,210,452.81 and 267,079.96

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Solution

The fourth proportional to 806,968.72, 1,210,452.81 and 267,079.96 is: 400,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,968.72 : 1,210,452.81 = 267,079.96 : x
  2. Step 2: Convert to fraction form
    806,968.72/1,210,452.81 = 267,079.96/x
  3. Step 3: Cross multiply
    806,968.72x = 1,210,452.81 × 267,079.96
  4. Step 4: Simplify right side
    806,968.72x = 323,287,688,076.69
  5. Step 5: Solve for x
    x = 323,287,688,076.69/806,968.72
  6. Step 6: Final answer
    x = 400,619.85

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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.