Home / 814,470.99-1,221,881.94-245,804.51

Finding the Fourth Proportional to 814,470.99, 1,221,881.94 and 245,804.51

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Solution

The fourth proportional to 814,470.99, 1,221,881.94 and 245,804.51 is: 368,759.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,470.99 : 1,221,881.94 = 245,804.51 : x
  2. Step 2: Convert to fraction form
    814,470.99/1,221,881.94 = 245,804.51/x
  3. Step 3: Cross multiply
    814,470.99x = 1,221,881.94 × 245,804.51
  4. Step 4: Simplify right side
    814,470.99x = 300,344,091,539.55
  5. Step 5: Solve for x
    x = 300,344,091,539.55/814,470.99
  6. Step 6: Final answer
    x = 368,759.72

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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.