Finding the Fourth Proportional to 877,405.92, 1,316,155.62 and 278,413.96
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Solution
The fourth proportional to 877,405.92, 1,316,155.62 and 278,413.96 is: 417,635.76
Step by Step Solution
- Step 1: Write the proportion equation
877,405.92 : 1,316,155.62 = 278,413.96 : x - Step 2: Convert to fraction form
877,405.92/1,316,155.62 = 278,413.96/x - Step 3: Cross multiply
877,405.92x = 1,316,155.62 × 278,413.96 - Step 4: Simplify right side
877,405.92x = 366,436,091,559.68 - Step 5: Solve for x
x = 366,436,091,559.68/877,405.92 - Step 6: Final answer
x = 417,635.76
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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.