Finding the Fourth Proportional to 967,990.44, 1,335,859.22 and 532,426.21
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Solution
The fourth proportional to 967,990.44, 1,335,859.22 and 532,426.21 is: 734,765.99
Step by Step Solution
- Step 1: Write the proportion equation
967,990.44 : 1,335,859.22 = 532,426.21 : x - Step 2: Convert to fraction form
967,990.44/1,335,859.22 = 532,426.21/x - Step 3: Cross multiply
967,990.44x = 1,335,859.22 × 532,426.21 - Step 4: Simplify right side
967,990.44x = 711,246,455,596.38 - Step 5: Solve for x
x = 711,246,455,596.38/967,990.44 - Step 6: Final answer
x = 734,765.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.