Finding the Fourth Proportional to 484,468.99, 667,874.32 and 340,783.09
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Solution
The fourth proportional to 484,468.99, 667,874.32 and 340,783.09 is: 469,793.28
Step by Step Solution
- Step 1: Write the proportion equation
484,468.99 : 667,874.32 = 340,783.09 : x - Step 2: Convert to fraction form
484,468.99/667,874.32 = 340,783.09/x - Step 3: Cross multiply
484,468.99x = 667,874.32 × 340,783.09 - Step 4: Simplify right side
484,468.99x = 227,600,274,501.25 - Step 5: Solve for x
x = 227,600,274,501.25/484,468.99 - Step 6: Final answer
x = 469,793.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.