Home / 814,776.36-1,222,145.76-479,941.08

Finding the Fourth Proportional to 814,776.36, 1,222,145.76 and 479,941.08

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Solution

The fourth proportional to 814,776.36, 1,222,145.76 and 479,941.08 is: 719,900.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,776.36 : 1,222,145.76 = 479,941.08 : x
  2. Step 2: Convert to fraction form
    814,776.36/1,222,145.76 = 479,941.08/x
  3. Step 3: Cross multiply
    814,776.36x = 1,222,145.76 × 479,941.08
  4. Step 4: Simplify right side
    814,776.36x = 586,557,955,971.82
  5. Step 5: Solve for x
    x = 586,557,955,971.82/814,776.36
  6. Step 6: Final answer
    x = 719,900.56

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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.