Finding the Fourth Proportional to 558,934.36, 771,305.22 and 304,286.44
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Solution
The fourth proportional to 558,934.36, 771,305.22 and 304,286.44 is: 419,902.11
Step by Step Solution
- Step 1: Write the proportion equation
558,934.36 : 771,305.22 = 304,286.44 : x - Step 2: Convert to fraction form
558,934.36/771,305.22 = 304,286.44/x - Step 3: Cross multiply
558,934.36x = 771,305.22 × 304,286.44 - Step 4: Simplify right side
558,934.36x = 234,697,719,547.22 - Step 5: Solve for x
x = 234,697,719,547.22/558,934.36 - Step 6: Final answer
x = 419,902.11
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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.