Finding the Fourth Proportional to 774,197.52, 1,068,365.04 and 434,680.08
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Solution
The fourth proportional to 774,197.52, 1,068,365.04 and 434,680.08 is: 599,843.05
Step by Step Solution
- Step 1: Write the proportion equation
774,197.52 : 1,068,365.04 = 434,680.08 : x - Step 2: Convert to fraction form
774,197.52/1,068,365.04 = 434,680.08/x - Step 3: Cross multiply
774,197.52x = 1,068,365.04 × 434,680.08 - Step 4: Simplify right side
774,197.52x = 464,397,001,056.40 - Step 5: Solve for x
x = 464,397,001,056.40/774,197.52 - Step 6: Final answer
x = 599,843.05
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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.