Finding the Fourth Proportional to 848,628.62, 1,171,106.07 and 486,169.82
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Solution
The fourth proportional to 848,628.62, 1,171,106.07 and 486,169.82 is: 670,913.53
Step by Step Solution
- Step 1: Write the proportion equation
848,628.62 : 1,171,106.07 = 486,169.82 : x - Step 2: Convert to fraction form
848,628.62/1,171,106.07 = 486,169.82/x - Step 3: Cross multiply
848,628.62x = 1,171,106.07 × 486,169.82 - Step 4: Simplify right side
848,628.62x = 569,356,427,252.81 - Step 5: Solve for x
x = 569,356,427,252.81/848,628.62 - Step 6: Final answer
x = 670,913.53
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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.