Finding the Fourth Proportional to 770,356.09, 1,063,237.35 and 516,148.93
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Solution
The fourth proportional to 770,356.09, 1,063,237.35 and 516,148.93 is: 712,383.31
Step by Step Solution
- Step 1: Write the proportion equation
770,356.09 : 1,063,237.35 = 516,148.93 : x - Step 2: Convert to fraction form
770,356.09/1,063,237.35 = 516,148.93/x - Step 3: Cross multiply
770,356.09x = 1,063,237.35 × 516,148.93 - Step 4: Simplify right side
770,356.09x = 548,788,820,538.54 - Step 5: Solve for x
x = 548,788,820,538.54/770,356.09 - Step 6: Final answer
x = 712,383.31
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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.