Finding the Fourth Proportional to 848,876.99, 1,171,616.68 and 486,543.71
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Solution
The fourth proportional to 848,876.99, 1,171,616.68 and 486,543.71 is: 671,525.72
Step by Step Solution
- Step 1: Write the proportion equation
848,876.99 : 1,171,616.68 = 486,543.71 : x - Step 2: Convert to fraction form
848,876.99/1,171,616.68 = 486,543.71/x - Step 3: Cross multiply
848,876.99x = 1,171,616.68 × 486,543.71 - Step 4: Simplify right side
848,876.99x = 570,042,728,353.90 - Step 5: Solve for x
x = 570,042,728,353.90/848,876.99 - Step 6: Final answer
x = 671,525.72
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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.