Finding the Fourth Proportional to 848,106.80, 1,274,233.80 and 638,154.80
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Solution
The fourth proportional to 848,106.80, 1,274,233.80 and 638,154.80 is: 958,792.47
Step by Step Solution
- Step 1: Write the proportion equation
848,106.80 : 1,274,233.80 = 638,154.80 : x - Step 2: Convert to fraction form
848,106.80/1,274,233.80 = 638,154.80/x - Step 3: Cross multiply
848,106.80x = 1,274,233.80 × 638,154.80 - Step 4: Simplify right side
848,106.80x = 813,158,415,792.24 - Step 5: Solve for x
x = 813,158,415,792.24/848,106.80 - Step 6: Final answer
x = 958,792.47
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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.