Finding the Fourth Proportional to 726,649.49, 1,089,656.49 and 366,598.82
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Solution
The fourth proportional to 726,649.49, 1,089,656.49 and 366,598.82 is: 549,737.93
Step by Step Solution
- Step 1: Write the proportion equation
726,649.49 : 1,089,656.49 = 366,598.82 : x - Step 2: Convert to fraction form
726,649.49/1,089,656.49 = 366,598.82/x - Step 3: Cross multiply
726,649.49x = 1,089,656.49 × 366,598.82 - Step 4: Simplify right side
726,649.49x = 399,466,783,439.34 - Step 5: Solve for x
x = 399,466,783,439.34/726,649.49 - Step 6: Final answer
x = 549,737.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.