Finding the Fourth Proportional to 676,353.90, 933,368.70 and 370,449.55
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Solution
The fourth proportional to 676,353.90, 933,368.70 and 370,449.55 is: 511,220.55
Step by Step Solution
- Step 1: Write the proportion equation
676,353.90 : 933,368.70 = 370,449.55 : x - Step 2: Convert to fraction form
676,353.90/933,368.70 = 370,449.55/x - Step 3: Cross multiply
676,353.90x = 933,368.70 × 370,449.55 - Step 4: Simplify right side
676,353.90x = 345,766,014,329.31 - Step 5: Solve for x
x = 345,766,014,329.31/676,353.90 - Step 6: Final answer
x = 511,220.55
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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.