Home / 800,030.90-1,200,195.80-267,554.72

Finding the Fourth Proportional to 800,030.90, 1,200,195.80 and 267,554.72

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Solution

The fourth proportional to 800,030.90, 1,200,195.80 and 267,554.72 is: 401,382.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,030.90 : 1,200,195.80 = 267,554.72 : x
  2. Step 2: Convert to fraction form
    800,030.90/1,200,195.80 = 267,554.72/x
  3. Step 3: Cross multiply
    800,030.90x = 1,200,195.80 × 267,554.72
  4. Step 4: Simplify right side
    800,030.90x = 321,118,051,214.18
  5. Step 5: Solve for x
    x = 321,118,051,214.18/800,030.90
  6. Step 6: Final answer
    x = 401,382.06

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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.