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Finding the Fourth Proportional to 663,855.77, 992,004.50 and 498,459.92

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Solution

The fourth proportional to 663,855.77, 992,004.50 and 498,459.92 is: 744,852.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,855.77 : 992,004.50 = 498,459.92 : x
  2. Step 2: Convert to fraction form
    663,855.77/992,004.50 = 498,459.92/x
  3. Step 3: Cross multiply
    663,855.77x = 992,004.50 × 498,459.92
  4. Step 4: Simplify right side
    663,855.77x = 494,474,481,846.56
  5. Step 5: Solve for x
    x = 494,474,481,846.56/663,855.77
  6. Step 6: Final answer
    x = 744,852.28

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.