Finding the Fourth Proportional to 848,886.99, 1,171,630.47 and 486,553.74
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Solution
The fourth proportional to 848,886.99, 1,171,630.47 and 486,553.74 is: 671,539.55
Step by Step Solution
- Step 1: Write the proportion equation
848,886.99 : 1,171,630.47 = 486,553.74 : x - Step 2: Convert to fraction form
848,886.99/1,171,630.47 = 486,553.74/x - Step 3: Cross multiply
848,886.99x = 1,171,630.47 × 486,553.74 - Step 4: Simplify right side
848,886.99x = 570,061,187,076.46 - Step 5: Solve for x
x = 570,061,187,076.46/848,886.99 - Step 6: Final answer
x = 671,539.55
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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.