Home / 804,986.30-1,207,466.88-205,942.28

Finding the Fourth Proportional to 804,986.30, 1,207,466.88 and 205,942.28

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Solution

The fourth proportional to 804,986.30, 1,207,466.88 and 205,942.28 is: 308,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,986.30 : 1,207,466.88 = 205,942.28 : x
  2. Step 2: Convert to fraction form
    804,986.30/1,207,466.88 = 205,942.28/x
  3. Step 3: Cross multiply
    804,986.30x = 1,207,466.88 × 205,942.28
  4. Step 4: Simplify right side
    804,986.30x = 248,668,482,291.69
  5. Step 5: Solve for x
    x = 248,668,482,291.69/804,986.30
  6. Step 6: Final answer
    x = 308,910.20

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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.