Home / 876,701.58-1,315,127.33-308,033.25

Finding the Fourth Proportional to 876,701.58, 1,315,127.33 and 308,033.25

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Solution

The fourth proportional to 876,701.58, 1,315,127.33 and 308,033.25 is: 462,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,701.58 : 1,315,127.33 = 308,033.25 : x
  2. Step 2: Convert to fraction form
    876,701.58/1,315,127.33 = 308,033.25/x
  3. Step 3: Cross multiply
    876,701.58x = 1,315,127.33 × 308,033.25
  4. Step 4: Simplify right side
    876,701.58x = 405,102,945,623.72
  5. Step 5: Solve for x
    x = 405,102,945,623.72/876,701.58
  6. Step 6: Final answer
    x = 462,076.21

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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.