Finding the Fourth Proportional to 953,643.73, 1,315,573.61 and 694,966.09
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Solution
The fourth proportional to 953,643.73, 1,315,573.61 and 694,966.09 is: 958,721.81
Step by Step Solution
- Step 1: Write the proportion equation
953,643.73 : 1,315,573.61 = 694,966.09 : x - Step 2: Convert to fraction form
953,643.73/1,315,573.61 = 694,966.09/x - Step 3: Cross multiply
953,643.73x = 1,315,573.61 × 694,966.09 - Step 4: Simplify right side
953,643.73x = 914,279,043,691.24 - Step 5: Solve for x
x = 914,279,043,691.24/953,643.73 - Step 6: Final answer
x = 958,721.81
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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.