Home / 681,114.30-1,021,668.60-207,798.08

Finding the Fourth Proportional to 681,114.30, 1,021,668.60 and 207,798.08

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Solution

The fourth proportional to 681,114.30, 1,021,668.60 and 207,798.08 is: 311,696.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,114.30 : 1,021,668.60 = 207,798.08 : x
  2. Step 2: Convert to fraction form
    681,114.30/1,021,668.60 = 207,798.08/x
  3. Step 3: Cross multiply
    681,114.30x = 1,021,668.60 × 207,798.08
  4. Step 4: Simplify right side
    681,114.30x = 212,300,773,476.29
  5. Step 5: Solve for x
    x = 212,300,773,476.29/681,114.30
  6. Step 6: Final answer
    x = 311,696.25

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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.