Finding the Fourth Proportional to 865,564.31, 1,194,479.26 and 483,591.09
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Solution
The fourth proportional to 865,564.31, 1,194,479.26 and 483,591.09 is: 667,355.99
Step by Step Solution
- Step 1: Write the proportion equation
865,564.31 : 1,194,479.26 = 483,591.09 : x - Step 2: Convert to fraction form
865,564.31/1,194,479.26 = 483,591.09/x - Step 3: Cross multiply
865,564.31x = 1,194,479.26 × 483,591.09 - Step 4: Simplify right side
865,564.31x = 577,639,530,596.11 - Step 5: Solve for x
x = 577,639,530,596.11/865,564.31 - Step 6: Final answer
x = 667,355.99
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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.