Home / 669,740.84-1,004,619.56-196,435.97

Finding the Fourth Proportional to 669,740.84, 1,004,619.56 and 196,435.97

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Solution

The fourth proportional to 669,740.84, 1,004,619.56 and 196,435.97 is: 294,656.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,740.84 : 1,004,619.56 = 196,435.97 : x
  2. Step 2: Convert to fraction form
    669,740.84/1,004,619.56 = 196,435.97/x
  3. Step 3: Cross multiply
    669,740.84x = 1,004,619.56 × 196,435.97
  4. Step 4: Simplify right side
    669,740.84x = 197,343,411,744.30
  5. Step 5: Solve for x
    x = 197,343,411,744.30/669,740.84
  6. Step 6: Final answer
    x = 294,656.38

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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.