Home / 800,345.42-1,200,392.84-267,862.22

Finding the Fourth Proportional to 800,345.42, 1,200,392.84 and 267,862.22

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Solution

The fourth proportional to 800,345.42, 1,200,392.84 and 267,862.22 is: 401,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,345.42 : 1,200,392.84 = 267,862.22 : x
  2. Step 2: Convert to fraction form
    800,345.42/1,200,392.84 = 267,862.22/x
  3. Step 3: Cross multiply
    800,345.42x = 1,200,392.84 × 267,862.22
  4. Step 4: Simplify right side
    800,345.42x = 321,539,890,994.51
  5. Step 5: Solve for x
    x = 321,539,890,994.51/800,345.42
  6. Step 6: Final answer
    x = 401,751.40

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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.