Finding the Fourth Proportional to 979,673.14, 1,351,993.75 and 544,092.20
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Solution
The fourth proportional to 979,673.14, 1,351,993.75 and 544,092.20 is: 750,872.12
Step by Step Solution
- Step 1: Write the proportion equation
979,673.14 : 1,351,993.75 = 544,092.20 : x - Step 2: Convert to fraction form
979,673.14/1,351,993.75 = 544,092.20/x - Step 3: Cross multiply
979,673.14x = 1,351,993.75 × 544,092.20 - Step 4: Simplify right side
979,673.14x = 735,609,247,823.03 - Step 5: Solve for x
x = 735,609,247,823.03/979,673.14 - Step 6: Final answer
x = 750,872.12
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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.