Finding the Fourth Proportional to 941,088.60, 1,298,699.80 and 511,368.75
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Solution
The fourth proportional to 941,088.60, 1,298,699.80 and 511,368.75 is: 705,687.53
Step by Step Solution
- Step 1: Write the proportion equation
941,088.60 : 1,298,699.80 = 511,368.75 : x - Step 2: Convert to fraction form
941,088.60/1,298,699.80 = 511,368.75/x - Step 3: Cross multiply
941,088.60x = 1,298,699.80 × 511,368.75 - Step 4: Simplify right side
941,088.60x = 664,114,493,351.25 - Step 5: Solve for x
x = 664,114,493,351.25/941,088.60 - Step 6: Final answer
x = 705,687.53
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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.