Home / 777,680.51-1,166,268.60-297,882.78

Finding the Fourth Proportional to 777,680.51, 1,166,268.60 and 297,882.78

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Solution

The fourth proportional to 777,680.51, 1,166,268.60 and 297,882.78 is: 446,727.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,680.51 : 1,166,268.60 = 297,882.78 : x
  2. Step 2: Convert to fraction form
    777,680.51/1,166,268.60 = 297,882.78/x
  3. Step 3: Cross multiply
    777,680.51x = 1,166,268.60 × 297,882.78
  4. Step 4: Simplify right side
    777,680.51x = 347,411,335,819.26
  5. Step 5: Solve for x
    x = 347,411,335,819.26/777,680.51
  6. Step 6: Final answer
    x = 446,727.58

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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.