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Finding the Fourth Proportional to 668,829.76, 923,011.68 and 367,034.56

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Solution

The fourth proportional to 668,829.76, 923,011.68 and 367,034.56 is: 506,522.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,829.76 : 923,011.68 = 367,034.56 : x
  2. Step 2: Convert to fraction form
    668,829.76/923,011.68 = 367,034.56/x
  3. Step 3: Cross multiply
    668,829.76x = 923,011.68 × 367,034.56
  4. Step 4: Simplify right side
    668,829.76x = 338,777,185,843.66
  5. Step 5: Solve for x
    x = 338,777,185,843.66/668,829.76
  6. Step 6: Final answer
    x = 506,522.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.