Finding the Fourth Proportional to 750,084.60, 1,035,107.99 and 405,912.56
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Solution
The fourth proportional to 750,084.60, 1,035,107.99 and 405,912.56 is: 560,154.58
Step by Step Solution
- Step 1: Write the proportion equation
750,084.60 : 1,035,107.99 = 405,912.56 : x - Step 2: Convert to fraction form
750,084.60/1,035,107.99 = 405,912.56/x - Step 3: Cross multiply
750,084.60x = 1,035,107.99 × 405,912.56 - Step 4: Simplify right side
750,084.60x = 420,163,326,892.25 - Step 5: Solve for x
x = 420,163,326,892.25/750,084.60 - Step 6: Final answer
x = 560,154.58
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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.