Finding the Fourth Proportional to 714,746.63, 986,350.35 and 412,940.63
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Solution
The fourth proportional to 714,746.63, 986,350.35 and 412,940.63 is: 569,858.07
Step by Step Solution
- Step 1: Write the proportion equation
714,746.63 : 986,350.35 = 412,940.63 : x - Step 2: Convert to fraction form
714,746.63/986,350.35 = 412,940.63/x - Step 3: Cross multiply
714,746.63x = 986,350.35 × 412,940.63 - Step 4: Simplify right side
714,746.63x = 407,304,129,997.97 - Step 5: Solve for x
x = 407,304,129,997.97/714,746.63 - Step 6: Final answer
x = 569,858.07
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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.