Finding the Fourth Proportional to 772,583.76, 1,159,201.26 and 299,602.08
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Solution
The fourth proportional to 772,583.76, 1,159,201.26 and 299,602.08 is: 449,529.39
Step by Step Solution
- Step 1: Write the proportion equation
772,583.76 : 1,159,201.26 = 299,602.08 : x - Step 2: Convert to fraction form
772,583.76/1,159,201.26 = 299,602.08/x - Step 3: Cross multiply
772,583.76x = 1,159,201.26 × 299,602.08 - Step 4: Simplify right side
772,583.76x = 347,299,108,634.62 - Step 5: Solve for x
x = 347,299,108,634.62/772,583.76 - Step 6: Final answer
x = 449,529.39
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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.