Finding the Fourth Proportional to 498,413.70, 747,620.55 and 498,413.70
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Solution
The fourth proportional to 498,413.70, 747,620.55 and 498,413.70 is: 747,620.55
Step by Step Solution
- Step 1: Write the proportion equation
498,413.70 : 747,620.55 = 498,413.70 : x - Step 2: Convert to fraction form
498,413.70/747,620.55 = 498,413.70/x - Step 3: Cross multiply
498,413.70x = 747,620.55 × 498,413.70 - Step 4: Simplify right side
498,413.70x = 372,624,324,521.54 - Step 5: Solve for x
x = 372,624,324,521.54/498,413.70 - Step 6: Final answer
x = 747,620.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.