Home / 831,602.95-1,247,558.33-263,127.18

Finding the Fourth Proportional to 831,602.95, 1,247,558.33 and 263,127.18

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Solution

The fourth proportional to 831,602.95, 1,247,558.33 and 263,127.18 is: 394,739.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,602.95 : 1,247,558.33 = 263,127.18 : x
  2. Step 2: Convert to fraction form
    831,602.95/1,247,558.33 = 263,127.18/x
  3. Step 3: Cross multiply
    831,602.95x = 1,247,558.33 × 263,127.18
  4. Step 4: Simplify right side
    831,602.95x = 328,266,505,258.41
  5. Step 5: Solve for x
    x = 328,266,505,258.41/831,602.95
  6. Step 6: Final answer
    x = 394,739.47

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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.