Home / 831,876.67-1,147,989.80-449,903.45

Finding the Fourth Proportional to 831,876.67, 1,147,989.80 and 449,903.45

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Solution

The fourth proportional to 831,876.67, 1,147,989.80 and 449,903.45 is: 620,866.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,876.67 : 1,147,989.80 = 449,903.45 : x
  2. Step 2: Convert to fraction form
    831,876.67/1,147,989.80 = 449,903.45/x
  3. Step 3: Cross multiply
    831,876.67x = 1,147,989.80 × 449,903.45
  4. Step 4: Simplify right side
    831,876.67x = 516,484,571,584.81
  5. Step 5: Solve for x
    x = 516,484,571,584.81/831,876.67
  6. Step 6: Final answer
    x = 620,866.76

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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.