Home / 868,069.08-1,302,945.30-419,106.60

Finding the Fourth Proportional to 868,069.08, 1,302,945.30 and 419,106.60

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Solution

The fourth proportional to 868,069.08, 1,302,945.30 and 419,106.60 is: 629,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,069.08 : 1,302,945.30 = 419,106.60 : x
  2. Step 2: Convert to fraction form
    868,069.08/1,302,945.30 = 419,106.60/x
  3. Step 3: Cross multiply
    868,069.08x = 1,302,945.30 × 419,106.60
  4. Step 4: Simplify right side
    868,069.08x = 546,072,974,668.98
  5. Step 5: Solve for x
    x = 546,072,974,668.98/868,069.08
  6. Step 6: Final answer
    x = 629,066.27

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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.