Finding the Fourth Proportional to 843,873.51, 1,164,549.15 and 456,688.99
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Solution
The fourth proportional to 843,873.51, 1,164,549.15 and 456,688.99 is: 630,232.81
Step by Step Solution
- Step 1: Write the proportion equation
843,873.51 : 1,164,549.15 = 456,688.99 : x - Step 2: Convert to fraction form
843,873.51/1,164,549.15 = 456,688.99/x - Step 3: Cross multiply
843,873.51x = 1,164,549.15 × 456,688.99 - Step 4: Simplify right side
843,873.51x = 531,836,772,207.49 - Step 5: Solve for x
x = 531,836,772,207.49/843,873.51 - Step 6: Final answer
x = 630,232.81
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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.