Finding the Fourth Proportional to 784,804.98, 1,175,609.67 and 719,413.62
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Solution
The fourth proportional to 784,804.98, 1,175,609.67 and 719,413.62 is: 1,077,655.76
Step by Step Solution
- Step 1: Write the proportion equation
784,804.98 : 1,175,609.67 = 719,413.62 : x - Step 2: Convert to fraction form
784,804.98/1,175,609.67 = 719,413.62/x - Step 3: Cross multiply
784,804.98x = 1,175,609.67 × 719,413.62 - Step 4: Simplify right side
784,804.98x = 845,749,608,401.71 - Step 5: Solve for x
x = 845,749,608,401.71/784,804.98 - Step 6: Final answer
x = 1,077,655.76
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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.