Finding the Fourth Proportional to 814,792.13, 1,124,413.14 and 457,096.13
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Solution
The fourth proportional to 814,792.13, 1,124,413.14 and 457,096.13 is: 630,792.66
Step by Step Solution
- Step 1: Write the proportion equation
814,792.13 : 1,124,413.14 = 457,096.13 : x - Step 2: Convert to fraction form
814,792.13/1,124,413.14 = 457,096.13/x - Step 3: Cross multiply
814,792.13x = 1,124,413.14 × 457,096.13 - Step 4: Simplify right side
814,792.13x = 513,964,889,193.08 - Step 5: Solve for x
x = 513,964,889,193.08/814,792.13 - Step 6: Final answer
x = 630,792.66
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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.