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Finding the Fourth Proportional to 622,381.84, 858,903.96 and 380,660.02

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Solution

The fourth proportional to 622,381.84, 858,903.96 and 380,660.02 is: 525,321.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,381.84 : 858,903.96 = 380,660.02 : x
  2. Step 2: Convert to fraction form
    622,381.84/858,903.96 = 380,660.02/x
  3. Step 3: Cross multiply
    622,381.84x = 858,903.96 × 380,660.02
  4. Step 4: Simplify right side
    622,381.84x = 326,950,398,591.68
  5. Step 5: Solve for x
    x = 326,950,398,591.68/622,381.84
  6. Step 6: Final answer
    x = 525,321.24

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