Finding the Fourth Proportional to 965,702.55, 1,332,731.79 and 535,982.70
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Solution
The fourth proportional to 965,702.55, 1,332,731.79 and 535,982.70 is: 739,690.69
Step by Step Solution
- Step 1: Write the proportion equation
965,702.55 : 1,332,731.79 = 535,982.70 : x - Step 2: Convert to fraction form
965,702.55/1,332,731.79 = 535,982.70/x - Step 3: Cross multiply
965,702.55x = 1,332,731.79 × 535,982.70 - Step 4: Simplify right side
965,702.55x = 714,321,183,180.03 - Step 5: Solve for x
x = 714,321,183,180.03/965,702.55 - Step 6: Final answer
x = 739,690.69
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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.