Home / 876,623.51-1,315,104.76-336,839.11

Finding the Fourth Proportional to 876,623.51, 1,315,104.76 and 336,839.11

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Solution

The fourth proportional to 876,623.51, 1,315,104.76 and 336,839.11 is: 505,323.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,623.51 : 1,315,104.76 = 336,839.11 : x
  2. Step 2: Convert to fraction form
    876,623.51/1,315,104.76 = 336,839.11/x
  3. Step 3: Cross multiply
    876,623.51x = 1,315,104.76 × 336,839.11
  4. Step 4: Simplify right side
    876,623.51x = 442,978,714,048.45
  5. Step 5: Solve for x
    x = 442,978,714,048.45/876,623.51
  6. Step 6: Final answer
    x = 505,323.79

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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.