Home / 685,795.68-1,028,318.54-544,548.28

Finding the Fourth Proportional to 685,795.68, 1,028,318.54 and 544,548.28

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Solution

The fourth proportional to 685,795.68, 1,028,318.54 and 544,548.28 is: 816,524.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,795.68 : 1,028,318.54 = 544,548.28 : x
  2. Step 2: Convert to fraction form
    685,795.68/1,028,318.54 = 544,548.28/x
  3. Step 3: Cross multiply
    685,795.68x = 1,028,318.54 × 544,548.28
  4. Step 4: Simplify right side
    685,795.68x = 559,969,092,249.11
  5. Step 5: Solve for x
    x = 559,969,092,249.11/685,795.68
  6. Step 6: Final answer
    x = 816,524.67

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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.