Finding the Fourth Proportional to 841,446.96, 1,161,196.70 and 459,474.09
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Solution
The fourth proportional to 841,446.96, 1,161,196.70 and 459,474.09 is: 634,074.18
Step by Step Solution
- Step 1: Write the proportion equation
841,446.96 : 1,161,196.70 = 459,474.09 : x - Step 2: Convert to fraction form
841,446.96/1,161,196.70 = 459,474.09/x - Step 3: Cross multiply
841,446.96x = 1,161,196.70 × 459,474.09 - Step 4: Simplify right side
841,446.96x = 533,539,794,746.13 - Step 5: Solve for x
x = 533,539,794,746.13/841,446.96 - Step 6: Final answer
x = 634,074.18
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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.