Finding the Fourth Proportional to 676,646.80, 933,772.55 and 370,734.79
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Solution
The fourth proportional to 676,646.80, 933,772.55 and 370,734.79 is: 511,613.99
Step by Step Solution
- Step 1: Write the proportion equation
676,646.80 : 933,772.55 = 370,734.79 : x - Step 2: Convert to fraction form
676,646.80/933,772.55 = 370,734.79/x - Step 3: Cross multiply
676,646.80x = 933,772.55 × 370,734.79 - Step 4: Simplify right side
676,646.80x = 346,181,965,563.15 - Step 5: Solve for x
x = 346,181,965,563.15/676,646.80 - Step 6: Final answer
x = 511,613.99
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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.