Finding the Fourth Proportional to 636,545.92, 878,413.24 and 350,065.12
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Solution
The fourth proportional to 636,545.92, 878,413.24 and 350,065.12 is: 483,078.80
Step by Step Solution
- Step 1: Write the proportion equation
636,545.92 : 878,413.24 = 350,065.12 : x - Step 2: Convert to fraction form
636,545.92/878,413.24 = 350,065.12/x - Step 3: Cross multiply
636,545.92x = 878,413.24 × 350,065.12 - Step 4: Simplify right side
636,545.92x = 307,501,836,270.19 - Step 5: Solve for x
x = 307,501,836,270.19/636,545.92 - Step 6: Final answer
x = 483,078.80
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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.