Finding the Fourth Proportional to 984,775.07, 1,477,320.08 and 416,161.68
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Solution
The fourth proportional to 984,775.07, 1,477,320.08 and 416,161.68 is: 624,309.07
Step by Step Solution
- Step 1: Write the proportion equation
984,775.07 : 1,477,320.08 = 416,161.68 : x - Step 2: Convert to fraction form
984,775.07/1,477,320.08 = 416,161.68/x - Step 3: Cross multiply
984,775.07x = 1,477,320.08 × 416,161.68 - Step 4: Simplify right side
984,775.07x = 614,804,004,309.73 - Step 5: Solve for x
x = 614,804,004,309.73/984,775.07 - Step 6: Final answer
x = 624,309.07
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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.