Finding the Fourth Proportional to 763,163.48, 1,053,112.92 and 423,605
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Solution
The fourth proportional to 763,163.48, 1,053,112.92 and 423,605 is: 584,545.66
Step by Step Solution
- Step 1: Write the proportion equation
763,163.48 : 1,053,112.92 = 423,605 : x - Step 2: Convert to fraction form
763,163.48/1,053,112.92 = 423,605/x - Step 3: Cross multiply
763,163.48x = 1,053,112.92 × 423,605 - Step 4: Simplify right side
763,163.48x = 446,103,898,476.60 - Step 5: Solve for x
x = 446,103,898,476.60/763,163.48 - Step 6: Final answer
x = 584,545.66
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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.