Finding the Fourth Proportional to 841,407.48, 1,161,137.70 and 459,431.55
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Solution
The fourth proportional to 841,407.48, 1,161,137.70 and 459,431.55 is: 634,013.02
Step by Step Solution
- Step 1: Write the proportion equation
841,407.48 : 1,161,137.70 = 459,431.55 : x - Step 2: Convert to fraction form
841,407.48/1,161,137.70 = 459,431.55/x - Step 3: Cross multiply
841,407.48x = 1,161,137.70 × 459,431.55 - Step 4: Simplify right side
841,407.48x = 533,463,293,274.44 - Step 5: Solve for x
x = 533,463,293,274.44/841,407.48 - Step 6: Final answer
x = 634,013.02
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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.