Finding the Fourth Proportional to 776,671.68, 1,165,460.48 and 327,365.12
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Solution
The fourth proportional to 776,671.68, 1,165,460.48 and 327,365.12 is: 491,238.60
Step by Step Solution
- Step 1: Write the proportion equation
776,671.68 : 1,165,460.48 = 327,365.12 : x - Step 2: Convert to fraction form
776,671.68/1,165,460.48 = 327,365.12/x - Step 3: Cross multiply
776,671.68x = 1,165,460.48 × 327,365.12 - Step 4: Simplify right side
776,671.68x = 381,531,109,890.46 - Step 5: Solve for x
x = 381,531,109,890.46/776,671.68 - Step 6: Final answer
x = 491,238.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.