Finding the Fourth Proportional to 902,467.99, 1,245,971.96 and 580,737.20
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Solution
The fourth proportional to 902,467.99, 1,245,971.96 and 580,737.20 is: 801,781.65
Step by Step Solution
- Step 1: Write the proportion equation
902,467.99 : 1,245,971.96 = 580,737.20 : x - Step 2: Convert to fraction form
902,467.99/1,245,971.96 = 580,737.20/x - Step 3: Cross multiply
902,467.99x = 1,245,971.96 × 580,737.20 - Step 4: Simplify right side
902,467.99x = 723,582,271,895.69 - Step 5: Solve for x
x = 723,582,271,895.69/902,467.99 - Step 6: Final answer
x = 801,781.65
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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.