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Finding the Fourth Proportional to 668,579.36, 922,634.04 and 362,654.96

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Solution

The fourth proportional to 668,579.36, 922,634.04 and 362,654.96 is: 500,460.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,579.36 : 922,634.04 = 362,654.96 : x
  2. Step 2: Convert to fraction form
    668,579.36/922,634.04 = 362,654.96/x
  3. Step 3: Cross multiply
    668,579.36x = 922,634.04 × 362,654.96
  4. Step 4: Simplify right side
    668,579.36x = 334,597,806,257.67
  5. Step 5: Solve for x
    x = 334,597,806,257.67/668,579.36
  6. Step 6: Final answer
    x = 500,460.87

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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.