Finding the Fourth Proportional to 489,383.70, 734,075.55 and 489,383.70
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Solution
The fourth proportional to 489,383.70, 734,075.55 and 489,383.70 is: 734,075.55
Step by Step Solution
- Step 1: Write the proportion equation
489,383.70 : 734,075.55 = 489,383.70 : x - Step 2: Convert to fraction form
489,383.70/734,075.55 = 489,383.70/x - Step 3: Cross multiply
489,383.70x = 734,075.55 × 489,383.70 - Step 4: Simplify right side
489,383.70x = 359,244,608,738.54 - Step 5: Solve for x
x = 359,244,608,738.54/489,383.70 - Step 6: Final answer
x = 734,075.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.