Finding the Fourth Proportional to 1,305,394.08, 1,801,415.30 and 724,583.07
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Solution
The fourth proportional to 1,305,394.08, 1,801,415.30 and 724,583.07 is: 999,908.80
Step by Step Solution
- Step 1: Write the proportion equation
1,305,394.08 : 1,801,415.30 = 724,583.07 : x - Step 2: Convert to fraction form
1,305,394.08/1,801,415.30 = 724,583.07/x - Step 3: Cross multiply
1,305,394.08x = 1,801,415.30 × 724,583.07 - Step 4: Simplify right side
1,305,394.08x = 1,305,275,024,796.06 - Step 5: Solve for x
x = 1,305,275,024,796.06/1,305,394.08 - Step 6: Final answer
x = 999,908.80
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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.