Finding the Fourth Proportional to 676,483.84, 933,554.56 and 408,160
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Solution
The fourth proportional to 676,483.84, 933,554.56 and 408,160 is: 563,264.94
Step by Step Solution
- Step 1: Write the proportion equation
676,483.84 : 933,554.56 = 408,160 : x - Step 2: Convert to fraction form
676,483.84/933,554.56 = 408,160/x - Step 3: Cross multiply
676,483.84x = 933,554.56 × 408,160 - Step 4: Simplify right side
676,483.84x = 381,039,629,209.60 - Step 5: Solve for x
x = 381,039,629,209.60/676,483.84 - Step 6: Final answer
x = 563,264.94
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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.