Finding the Fourth Proportional to 811,612.64, 1,119,926.97 and 467,559.96
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Solution
The fourth proportional to 811,612.64, 1,119,926.97 and 467,559.96 is: 645,176.02
Step by Step Solution
- Step 1: Write the proportion equation
811,612.64 : 1,119,926.97 = 467,559.96 : x - Step 2: Convert to fraction form
811,612.64/1,119,926.97 = 467,559.96/x - Step 3: Cross multiply
811,612.64x = 1,119,926.97 × 467,559.96 - Step 4: Simplify right side
811,612.64x = 523,633,009,296.12 - Step 5: Solve for x
x = 523,633,009,296.12/811,612.64 - Step 6: Final answer
x = 645,176.02
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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.