Finding the Fourth Proportional to 965,199.70, 1,332,135.48 and 535,617.82
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Solution
The fourth proportional to 965,199.70, 1,332,135.48 and 535,617.82 is: 739,241.32
Step by Step Solution
- Step 1: Write the proportion equation
965,199.70 : 1,332,135.48 = 535,617.82 : x - Step 2: Convert to fraction form
965,199.70/1,332,135.48 = 535,617.82/x - Step 3: Cross multiply
965,199.70x = 1,332,135.48 × 535,617.82 - Step 4: Simplify right side
965,199.70x = 713,515,501,742.25 - Step 5: Solve for x
x = 713,515,501,742.25/965,199.70 - Step 6: Final answer
x = 739,241.32
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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.