Finding the Fourth Proportional to 770,355.09, 1,063,235.97 and 516,147.93
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Solution
The fourth proportional to 770,355.09, 1,063,235.97 and 516,147.93 is: 712,381.93
Step by Step Solution
- Step 1: Write the proportion equation
770,355.09 : 1,063,235.97 = 516,147.93 : x - Step 2: Convert to fraction form
770,355.09/1,063,235.97 = 516,147.93/x - Step 3: Cross multiply
770,355.09x = 1,063,235.97 × 516,147.93 - Step 4: Simplify right side
770,355.09x = 548,787,045,017.04 - Step 5: Solve for x
x = 548,787,045,017.04/770,355.09 - Step 6: Final answer
x = 712,381.93
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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.