Finding the Fourth Proportional to 892,832.42, 1,232,117.79 and 484,938.20
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Solution
The fourth proportional to 892,832.42, 1,232,117.79 and 484,938.20 is: 669,219.63
Step by Step Solution
- Step 1: Write the proportion equation
892,832.42 : 1,232,117.79 = 484,938.20 : x - Step 2: Convert to fraction form
892,832.42/1,232,117.79 = 484,938.20/x - Step 3: Cross multiply
892,832.42x = 1,232,117.79 × 484,938.20 - Step 4: Simplify right side
892,832.42x = 597,500,983,270.58 - Step 5: Solve for x
x = 597,500,983,270.58/892,832.42 - Step 6: Final answer
x = 669,219.63
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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.