Finding the Fourth Proportional to 739,297.08, 1,020,231.12 and 399,765.36
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Solution
The fourth proportional to 739,297.08, 1,020,231.12 and 399,765.36 is: 551,676.82
Step by Step Solution
- Step 1: Write the proportion equation
739,297.08 : 1,020,231.12 = 399,765.36 : x - Step 2: Convert to fraction form
739,297.08/1,020,231.12 = 399,765.36/x - Step 3: Cross multiply
739,297.08x = 1,020,231.12 × 399,765.36 - Step 4: Simplify right side
739,297.08x = 407,853,060,970.00 - Step 5: Solve for x
x = 407,853,060,970.00/739,297.08 - Step 6: Final answer
x = 551,676.82
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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.