Finding the Fourth Proportional to 841,070.40, 1,261,544.61 and 328,639.22
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Solution
The fourth proportional to 841,070.40, 1,261,544.61 and 328,639.22 is: 492,934.99
Step by Step Solution
- Step 1: Write the proportion equation
841,070.40 : 1,261,544.61 = 328,639.22 : x - Step 2: Convert to fraction form
841,070.40/1,261,544.61 = 328,639.22/x - Step 3: Cross multiply
841,070.40x = 1,261,544.61 × 328,639.22 - Step 4: Simplify right side
841,070.40x = 414,593,032,852.23 - Step 5: Solve for x
x = 414,593,032,852.23/841,070.40 - Step 6: Final answer
x = 492,934.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.