Finding the Fourth Proportional to 878,526.40, 1,319,247.12 and 548,201.92
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Solution
The fourth proportional to 878,526.40, 1,319,247.12 and 548,201.92 is: 823,212.37
Step by Step Solution
- Step 1: Write the proportion equation
878,526.40 : 1,319,247.12 = 548,201.92 : x - Step 2: Convert to fraction form
878,526.40/1,319,247.12 = 548,201.92/x - Step 3: Cross multiply
878,526.40x = 1,319,247.12 × 548,201.92 - Step 4: Simplify right side
878,526.40x = 723,213,804,138.47 - Step 5: Solve for x
x = 723,213,804,138.47/878,526.40 - Step 6: Final answer
x = 823,212.37
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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.