Finding the Fourth Proportional to 891,594.40, 1,230,376.26 and 542,603.92
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Solution
The fourth proportional to 891,594.40, 1,230,376.26 and 542,603.92 is: 748,778.80
Step by Step Solution
- Step 1: Write the proportion equation
891,594.40 : 1,230,376.26 = 542,603.92 : x - Step 2: Convert to fraction form
891,594.40/1,230,376.26 = 542,603.92/x - Step 3: Cross multiply
891,594.40x = 1,230,376.26 × 542,603.92 - Step 4: Simplify right side
891,594.40x = 667,606,981,750.94 - Step 5: Solve for x
x = 667,606,981,750.94/891,594.40 - Step 6: Final answer
x = 748,778.80
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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.