Home / 671,680.61-1,007,914.58-481,936.49

Finding the Fourth Proportional to 671,680.61, 1,007,914.58 and 481,936.49

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Solution

The fourth proportional to 671,680.61, 1,007,914.58 and 481,936.49 is: 723,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,680.61 : 1,007,914.58 = 481,936.49 : x
  2. Step 2: Convert to fraction form
    671,680.61/1,007,914.58 = 481,936.49/x
  3. Step 3: Cross multiply
    671,680.61x = 1,007,914.58 × 481,936.49
  4. Step 4: Simplify right side
    671,680.61x = 485,750,814,905.02
  5. Step 5: Solve for x
    x = 485,750,814,905.02/671,680.61
  6. Step 6: Final answer
    x = 723,187.19

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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.