Finding the Fourth Proportional to 832,459.18, 1,248,183.13 and 326,413.87
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Solution
The fourth proportional to 832,459.18, 1,248,183.13 and 326,413.87 is: 489,422.54
Step by Step Solution
- Step 1: Write the proportion equation
832,459.18 : 1,248,183.13 = 326,413.87 : x - Step 2: Convert to fraction form
832,459.18/1,248,183.13 = 326,413.87/x - Step 3: Cross multiply
832,459.18x = 1,248,183.13 × 326,413.87 - Step 4: Simplify right side
832,459.18x = 407,424,289,880.71 - Step 5: Solve for x
x = 407,424,289,880.71/832,459.18 - Step 6: Final answer
x = 489,422.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.