Home / 902,526.21-1,245,486.38-494,644.23

Finding the Fourth Proportional to 902,526.21, 1,245,486.38 and 494,644.23

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Solution

The fourth proportional to 902,526.21, 1,245,486.38 and 494,644.23 is: 682,609.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,526.21 : 1,245,486.38 = 494,644.23 : x
  2. Step 2: Convert to fraction form
    902,526.21/1,245,486.38 = 494,644.23/x
  3. Step 3: Cross multiply
    902,526.21x = 1,245,486.38 × 494,644.23
  4. Step 4: Simplify right side
    902,526.21x = 616,072,648,937.37
  5. Step 5: Solve for x
    x = 616,072,648,937.37/902,526.21
  6. Step 6: Final answer
    x = 682,609.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.