Home / 814,908.30-1,222,362.45-365,643.83

Finding the Fourth Proportional to 814,908.30, 1,222,362.45 and 365,643.83

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Solution

The fourth proportional to 814,908.30, 1,222,362.45 and 365,643.83 is: 548,465.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,908.30 : 1,222,362.45 = 365,643.83 : x
  2. Step 2: Convert to fraction form
    814,908.30/1,222,362.45 = 365,643.83/x
  3. Step 3: Cross multiply
    814,908.30x = 1,222,362.45 × 365,643.83
  4. Step 4: Simplify right side
    814,908.30x = 446,949,281,754.37
  5. Step 5: Solve for x
    x = 446,949,281,754.37/814,908.30
  6. Step 6: Final answer
    x = 548,465.74

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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.