Finding the Fourth Proportional to 839,161.23, 1,158,042.63 and 457,188.02
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Solution
The fourth proportional to 839,161.23, 1,158,042.63 and 457,188.02 is: 630,919.53
Step by Step Solution
- Step 1: Write the proportion equation
839,161.23 : 1,158,042.63 = 457,188.02 : x - Step 2: Convert to fraction form
839,161.23/1,158,042.63 = 457,188.02/x - Step 3: Cross multiply
839,161.23x = 1,158,042.63 × 457,188.02 - Step 4: Simplify right side
839,161.23x = 529,443,211,295.08 - Step 5: Solve for x
x = 529,443,211,295.08/839,161.23 - Step 6: Final answer
x = 630,919.53
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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.