Home / 814,998.32-1,222,973.40-341,647.28

Finding the Fourth Proportional to 814,998.32, 1,222,973.40 and 341,647.28

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Solution

The fourth proportional to 814,998.32, 1,222,973.40 and 341,647.28 is: 512,670.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,998.32 : 1,222,973.40 = 341,647.28 : x
  2. Step 2: Convert to fraction form
    814,998.32/1,222,973.40 = 341,647.28/x
  3. Step 3: Cross multiply
    814,998.32x = 1,222,973.40 × 341,647.28
  4. Step 4: Simplify right side
    814,998.32x = 417,825,535,622.35
  5. Step 5: Solve for x
    x = 417,825,535,622.35/814,998.32
  6. Step 6: Final answer
    x = 512,670.43

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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.