Home / 814,162.69-1,220,381.54-273,904.44

Finding the Fourth Proportional to 814,162.69, 1,220,381.54 and 273,904.44

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Solution

The fourth proportional to 814,162.69, 1,220,381.54 and 273,904.44 is: 410,566.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,162.69 : 1,220,381.54 = 273,904.44 : x
  2. Step 2: Convert to fraction form
    814,162.69/1,220,381.54 = 273,904.44/x
  3. Step 3: Cross multiply
    814,162.69x = 1,220,381.54 × 273,904.44
  4. Step 4: Simplify right side
    814,162.69x = 334,267,917,381.23
  5. Step 5: Solve for x
    x = 334,267,917,381.23/814,162.69
  6. Step 6: Final answer
    x = 410,566.49

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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.