Finding the Fourth Proportional to 1,305,293.64, 1,801,277.16 and 724,482.81
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Solution
The fourth proportional to 1,305,293.64, 1,801,277.16 and 724,482.81 is: 999,770.70
Step by Step Solution
- Step 1: Write the proportion equation
1,305,293.64 : 1,801,277.16 = 724,482.81 : x - Step 2: Convert to fraction form
1,305,293.64/1,801,277.16 = 724,482.81/x - Step 3: Cross multiply
1,305,293.64x = 1,801,277.16 × 724,482.81 - Step 4: Simplify right side
1,305,293.64x = 1,304,994,338,465.62 - Step 5: Solve for x
x = 1,304,994,338,465.62/1,305,293.64 - Step 6: Final answer
x = 999,770.70
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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.