Finding the Fourth Proportional to 814,533.52, 1,221,309.24 and 365,173.12
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Solution
The fourth proportional to 814,533.52, 1,221,309.24 and 365,173.12 is: 547,539.54
Step by Step Solution
- Step 1: Write the proportion equation
814,533.52 : 1,221,309.24 = 365,173.12 : x - Step 2: Convert to fraction form
814,533.52/1,221,309.24 = 365,173.12/x - Step 3: Cross multiply
814,533.52x = 1,221,309.24 × 365,173.12 - Step 4: Simplify right side
814,533.52x = 445,989,305,655.63 - Step 5: Solve for x
x = 445,989,305,655.63/814,533.52 - Step 6: Final answer
x = 547,539.54
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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.