Finding the Fourth Proportional to 848,731.28, 1,171,263.44 and 486,186.84
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Solution
The fourth proportional to 848,731.28, 1,171,263.44 and 486,186.84 is: 670,946.02
Step by Step Solution
- Step 1: Write the proportion equation
848,731.28 : 1,171,263.44 = 486,186.84 : x - Step 2: Convert to fraction form
848,731.28/1,171,263.44 = 486,186.84/x - Step 3: Cross multiply
848,731.28x = 1,171,263.44 × 486,186.84 - Step 4: Simplify right side
848,731.28x = 569,452,870,701.13 - Step 5: Solve for x
x = 569,452,870,701.13/848,731.28 - Step 6: Final answer
x = 670,946.02
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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.