Home / 938,163.40-1,294,662.18-508,453.96

Finding the Fourth Proportional to 938,163.40, 1,294,662.18 and 508,453.96

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Solution

The fourth proportional to 938,163.40, 1,294,662.18 and 508,453.96 is: 701,664.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,163.40 : 1,294,662.18 = 508,453.96 : x
  2. Step 2: Convert to fraction form
    938,163.40/1,294,662.18 = 508,453.96/x
  3. Step 3: Cross multiply
    938,163.40x = 1,294,662.18 × 508,453.96
  4. Step 4: Simplify right side
    938,163.40x = 658,276,112,283.23
  5. Step 5: Solve for x
    x = 658,276,112,283.23/938,163.40
  6. Step 6: Final answer
    x = 701,664.67

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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.