Finding the Fourth Proportional to 676,821.24, 933,963.84 and 370,849.05
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Solution
The fourth proportional to 676,821.24, 933,963.84 and 370,849.05 is: 511,744.58
Step by Step Solution
- Step 1: Write the proportion equation
676,821.24 : 933,963.84 = 370,849.05 : x - Step 2: Convert to fraction form
676,821.24/933,963.84 = 370,849.05/x - Step 3: Cross multiply
676,821.24x = 933,963.84 × 370,849.05 - Step 4: Simplify right side
676,821.24x = 346,359,602,798.35 - Step 5: Solve for x
x = 346,359,602,798.35/676,821.24 - Step 6: Final answer
x = 511,744.58
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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.