Finding the Fourth Proportional to 714,747.63, 986,351.73 and 412,941.63
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Solution
The fourth proportional to 714,747.63, 986,351.73 and 412,941.63 is: 569,859.45
Step by Step Solution
- Step 1: Write the proportion equation
714,747.63 : 986,351.73 = 412,941.63 : x - Step 2: Convert to fraction form
714,747.63/986,351.73 = 412,941.63/x - Step 3: Cross multiply
714,747.63x = 986,351.73 × 412,941.63 - Step 4: Simplify right side
714,747.63x = 407,305,691,139.52 - Step 5: Solve for x
x = 407,305,691,139.52/714,747.63 - Step 6: Final answer
x = 569,859.45
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1.5x scale
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.