Finding the Fourth Proportional to 751,539.69, 1,037,120.99 and 407,374.29
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Solution
The fourth proportional to 751,539.69, 1,037,120.99 and 407,374.29 is: 562,174.47
Step by Step Solution
- Step 1: Write the proportion equation
751,539.69 : 1,037,120.99 = 407,374.29 : x - Step 2: Convert to fraction form
751,539.69/1,037,120.99 = 407,374.29/x - Step 3: Cross multiply
751,539.69x = 1,037,120.99 × 407,374.29 - Step 4: Simplify right side
751,539.69x = 422,496,424,908.48 - Step 5: Solve for x
x = 422,496,424,908.48/751,539.69 - Step 6: Final answer
x = 562,174.47
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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.