Finding the Fourth Proportional to 517,884.64, 776,328.65 and 265,284.09
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Solution
The fourth proportional to 517,884.64, 776,328.65 and 265,284.09 is: 397,670.88
Step by Step Solution
- Step 1: Write the proportion equation
517,884.64 : 776,328.65 = 265,284.09 : x - Step 2: Convert to fraction form
517,884.64/776,328.65 = 265,284.09/x - Step 3: Cross multiply
517,884.64x = 776,328.65 × 265,284.09 - Step 4: Simplify right side
517,884.64x = 205,947,638,433.37 - Step 5: Solve for x
x = 205,947,638,433.37/517,884.64 - Step 6: Final answer
x = 397,670.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.