Finding the Fourth Proportional to 841,651.94, 1,161,477.82 and 459,678.74
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Solution
The fourth proportional to 841,651.94, 1,161,477.82 and 459,678.74 is: 634,355.65
Step by Step Solution
- Step 1: Write the proportion equation
841,651.94 : 1,161,477.82 = 459,678.74 : x - Step 2: Convert to fraction form
841,651.94/1,161,477.82 = 459,678.74/x - Step 3: Cross multiply
841,651.94x = 1,161,477.82 × 459,678.74 - Step 4: Simplify right side
841,651.94x = 533,906,660,835.55 - Step 5: Solve for x
x = 533,906,660,835.55/841,651.94 - Step 6: Final answer
x = 634,355.65
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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.