Finding the Fourth Proportional to 841,403.48, 1,161,132.18 and 459,427.55
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Solution
The fourth proportional to 841,403.48, 1,161,132.18 and 459,427.55 is: 634,007.50
Step by Step Solution
- Step 1: Write the proportion equation
841,403.48 : 1,161,132.18 = 459,427.55 : x - Step 2: Convert to fraction form
841,403.48/1,161,132.18 = 459,427.55/x - Step 3: Cross multiply
841,403.48x = 1,161,132.18 × 459,427.55 - Step 4: Simplify right side
841,403.48x = 533,456,112,683.56 - Step 5: Solve for x
x = 533,456,112,683.56/841,403.48 - Step 6: Final answer
x = 634,007.50
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1.5x scale
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.