Home / 831,679.27-1,147,435.47-678,452.58

Finding the Fourth Proportional to 831,679.27, 1,147,435.47 and 678,452.58

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Solution

The fourth proportional to 831,679.27, 1,147,435.47 and 678,452.58 is: 936,034.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,679.27 : 1,147,435.47 = 678,452.58 : x
  2. Step 2: Convert to fraction form
    831,679.27/1,147,435.47 = 678,452.58/x
  3. Step 3: Cross multiply
    831,679.27x = 1,147,435.47 × 678,452.58
  4. Step 4: Simplify right side
    831,679.27x = 778,480,555,005.01
  5. Step 5: Solve for x
    x = 778,480,555,005.01/831,679.27
  6. Step 6: Final answer
    x = 936,034.58

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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.