Home / 831,580.48-1,147,582.71-449,607.26

Finding the Fourth Proportional to 831,580.48, 1,147,582.71 and 449,607.26

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Solution

The fourth proportional to 831,580.48, 1,147,582.71 and 449,607.26 is: 620,458.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,580.48 : 1,147,582.71 = 449,607.26 : x
  2. Step 2: Convert to fraction form
    831,580.48/1,147,582.71 = 449,607.26/x
  3. Step 3: Cross multiply
    831,580.48x = 1,147,582.71 × 449,607.26
  4. Step 4: Simplify right side
    831,580.48x = 515,961,517,866.48
  5. Step 5: Solve for x
    x = 515,961,517,866.48/831,580.48
  6. Step 6: Final answer
    x = 620,458.91

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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.