Finding the Fourth Proportional to 965,342.10, 1,332,177.93 and 535,630.62
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Solution
The fourth proportional to 965,342.10, 1,332,177.93 and 535,630.62 is: 739,173.49
Step by Step Solution
- Step 1: Write the proportion equation
965,342.10 : 1,332,177.93 = 535,630.62 : x - Step 2: Convert to fraction form
965,342.10/1,332,177.93 = 535,630.62/x - Step 3: Cross multiply
965,342.10x = 1,332,177.93 × 535,630.62 - Step 4: Simplify right side
965,342.10x = 713,555,290,596.22 - Step 5: Solve for x
x = 713,555,290,596.22/965,342.10 - Step 6: Final answer
x = 739,173.49
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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.