Finding the Fourth Proportional to 667,413.99, 921,025.73 and 361,483.27
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Solution
The fourth proportional to 667,413.99, 921,025.73 and 361,483.27 is: 498,843.89
Step by Step Solution
- Step 1: Write the proportion equation
667,413.99 : 921,025.73 = 361,483.27 : x - Step 2: Convert to fraction form
667,413.99/921,025.73 = 361,483.27/x - Step 3: Cross multiply
667,413.99x = 921,025.73 × 361,483.27 - Step 4: Simplify right side
667,413.99x = 332,935,391,730.83 - Step 5: Solve for x
x = 332,935,391,730.83/667,413.99 - Step 6: Final answer
x = 498,843.89
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1.5x scale
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.