Home / 831,578.07-1,147,576.77-449,603.94

Finding the Fourth Proportional to 831,578.07, 1,147,576.77 and 449,603.94

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Solution

The fourth proportional to 831,578.07, 1,147,576.77 and 449,603.94 is: 620,452.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,578.07 : 1,147,576.77 = 449,603.94 : x
  2. Step 2: Convert to fraction form
    831,578.07/1,147,576.77 = 449,603.94/x
  3. Step 3: Cross multiply
    831,578.07x = 1,147,576.77 × 449,603.94
  4. Step 4: Simplify right side
    831,578.07x = 515,955,034,996.45
  5. Step 5: Solve for x
    x = 515,955,034,996.45/831,578.07
  6. Step 6: Final answer
    x = 620,452.91

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1.5x scale

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.