Home / 831,823.65-1,247,735.16-326,622.33

Finding the Fourth Proportional to 831,823.65, 1,247,735.16 and 326,622.33

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Solution

The fourth proportional to 831,823.65, 1,247,735.16 and 326,622.33 is: 489,933.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,823.65 : 1,247,735.16 = 326,622.33 : x
  2. Step 2: Convert to fraction form
    831,823.65/1,247,735.16 = 326,622.33/x
  3. Step 3: Cross multiply
    831,823.65x = 1,247,735.16 × 326,622.33
  4. Step 4: Simplify right side
    831,823.65x = 407,538,165,182.12
  5. Step 5: Solve for x
    x = 407,538,165,182.12/831,823.65
  6. Step 6: Final answer
    x = 489,933.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.