Finding the Fourth Proportional to 655,076.26, 903,994.77 and 368,596.18
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Solution
The fourth proportional to 655,076.26, 903,994.77 and 368,596.18 is: 508,656.84
Step by Step Solution
- Step 1: Write the proportion equation
655,076.26 : 903,994.77 = 368,596.18 : x - Step 2: Convert to fraction form
655,076.26/903,994.77 = 368,596.18/x - Step 3: Cross multiply
655,076.26x = 903,994.77 × 368,596.18 - Step 4: Simplify right side
655,076.26x = 333,209,018,961.98 - Step 5: Solve for x
x = 333,209,018,961.98/655,076.26 - Step 6: Final answer
x = 508,656.84
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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.