Home / 668,114.53-1,001,964.03-218,735.24

Finding the Fourth Proportional to 668,114.53, 1,001,964.03 and 218,735.24

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Solution

The fourth proportional to 668,114.53, 1,001,964.03 and 218,735.24 is: 328,034.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,114.53 : 1,001,964.03 = 218,735.24 : x
  2. Step 2: Convert to fraction form
    668,114.53/1,001,964.03 = 218,735.24/x
  3. Step 3: Cross multiply
    668,114.53x = 1,001,964.03 × 218,735.24
  4. Step 4: Simplify right side
    668,114.53x = 219,164,836,743.34
  5. Step 5: Solve for x
    x = 219,164,836,743.34/668,114.53
  6. Step 6: Final answer
    x = 328,034.83

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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.