Finding the Fourth Proportional to 676,671.84, 933,838.02 and 386,361.95
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Solution
The fourth proportional to 676,671.84, 933,838.02 and 386,361.95 is: 533,197.12
Step by Step Solution
- Step 1: Write the proportion equation
676,671.84 : 933,838.02 = 386,361.95 : x - Step 2: Convert to fraction form
676,671.84/933,838.02 = 386,361.95/x - Step 3: Cross multiply
676,671.84x = 933,838.02 × 386,361.95 - Step 4: Simplify right side
676,671.84x = 360,799,473,722.15 - Step 5: Solve for x
x = 360,799,473,722.15/676,671.84 - Step 6: Final answer
x = 533,197.12
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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.