Home / 307,775.40-461,954.70-263,452.20

Finding the Fourth Proportional to 307,775.40, 461,954.70 and 263,452.20

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Solution

The fourth proportional to 307,775.40, 461,954.70 and 263,452.20 is: 395,427.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,775.40 : 461,954.70 = 263,452.20 : x
  2. Step 2: Convert to fraction form
    307,775.40/461,954.70 = 263,452.20/x
  3. Step 3: Cross multiply
    307,775.40x = 461,954.70 × 263,452.20
  4. Step 4: Simplify right side
    307,775.40x = 121,702,982,015.34
  5. Step 5: Solve for x
    x = 121,702,982,015.34/307,775.40
  6. Step 6: Final answer
    x = 395,427.91

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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.