Home / 807,139.53-1,210,880.07-267,365.25

Finding the Fourth Proportional to 807,139.53, 1,210,880.07 and 267,365.25

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Solution

The fourth proportional to 807,139.53, 1,210,880.07 and 267,365.25 is: 401,104.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,139.53 : 1,210,880.07 = 267,365.25 : x
  2. Step 2: Convert to fraction form
    807,139.53/1,210,880.07 = 267,365.25/x
  3. Step 3: Cross multiply
    807,139.53x = 1,210,880.07 × 267,365.25
  4. Step 4: Simplify right side
    807,139.53x = 323,747,252,635.57
  5. Step 5: Solve for x
    x = 323,747,252,635.57/807,139.53
  6. Step 6: Final answer
    x = 401,104.44

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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.