Finding the Fourth Proportional to 980,404.63, 1,352,991.21 and 544,840.34
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Solution
The fourth proportional to 980,404.63, 1,352,991.21 and 544,840.34 is: 751,897.91
Step by Step Solution
- Step 1: Write the proportion equation
980,404.63 : 1,352,991.21 = 544,840.34 : x - Step 2: Convert to fraction form
980,404.63/1,352,991.21 = 544,840.34/x - Step 3: Cross multiply
980,404.63x = 1,352,991.21 × 544,840.34 - Step 4: Simplify right side
980,404.63x = 737,164,190,873.41 - Step 5: Solve for x
x = 737,164,190,873.41/980,404.63 - Step 6: Final answer
x = 751,897.91
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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.