Finding the Fourth Proportional to 706,701.96, 975,274.56 and 392,382.68
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Solution
The fourth proportional to 706,701.96, 975,274.56 and 392,382.68 is: 541,502.45
Step by Step Solution
- Step 1: Write the proportion equation
706,701.96 : 975,274.56 = 392,382.68 : x - Step 2: Convert to fraction form
706,701.96/975,274.56 = 392,382.68/x - Step 3: Cross multiply
706,701.96x = 975,274.56 × 392,382.68 - Step 4: Simplify right side
706,701.96x = 382,680,840,712.25 - Step 5: Solve for x
x = 382,680,840,712.25/706,701.96 - Step 6: Final answer
x = 541,502.45
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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.