Home / 831,111.73-1,246,667.87-200,025.54

Finding the Fourth Proportional to 831,111.73, 1,246,667.87 and 200,025.54

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Solution

The fourth proportional to 831,111.73, 1,246,667.87 and 200,025.54 is: 300,038.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,111.73 : 1,246,667.87 = 200,025.54 : x
  2. Step 2: Convert to fraction form
    831,111.73/1,246,667.87 = 200,025.54/x
  3. Step 3: Cross multiply
    831,111.73x = 1,246,667.87 × 200,025.54
  4. Step 4: Simplify right side
    831,111.73x = 249,365,413,897.40
  5. Step 5: Solve for x
    x = 249,365,413,897.40/831,111.73
  6. Step 6: Final answer
    x = 300,038.38

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1.5x scale

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.