Home / 648,401.28-973,028.64-227,665.92

Finding the Fourth Proportional to 648,401.28, 973,028.64 and 227,665.92

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Solution

The fourth proportional to 648,401.28, 973,028.64 and 227,665.92 is: 341,648.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,401.28 : 973,028.64 = 227,665.92 : x
  2. Step 2: Convert to fraction form
    648,401.28/973,028.64 = 227,665.92/x
  3. Step 3: Cross multiply
    648,401.28x = 973,028.64 × 227,665.92
  4. Step 4: Simplify right side
    648,401.28x = 221,525,460,511.95
  5. Step 5: Solve for x
    x = 221,525,460,511.95/648,401.28
  6. Step 6: Final answer
    x = 341,648.71

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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.