Finding the Fourth Proportional to 1,305,298.08, 1,801,283.44 and 724,487.38
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Solution
The fourth proportional to 1,305,298.08, 1,801,283.44 and 724,487.38 is: 999,777.09
Step by Step Solution
- Step 1: Write the proportion equation
1,305,298.08 : 1,801,283.44 = 724,487.38 : x - Step 2: Convert to fraction form
1,305,298.08/1,801,283.44 = 724,487.38/x - Step 3: Cross multiply
1,305,298.08x = 1,801,283.44 × 724,487.38 - Step 4: Simplify right side
1,305,298.08x = 1,305,007,114,631.54 - Step 5: Solve for x
x = 1,305,007,114,631.54/1,305,298.08 - Step 6: Final answer
x = 999,777.09
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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.