Finding the Fourth Proportional to 776,589.08, 1,071,682.72 and 427,722.79
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Solution
The fourth proportional to 776,589.08, 1,071,682.72 and 427,722.79 is: 590,251.82
Step by Step Solution
- Step 1: Write the proportion equation
776,589.08 : 1,071,682.72 = 427,722.79 : x - Step 2: Convert to fraction form
776,589.08/1,071,682.72 = 427,722.79/x - Step 3: Cross multiply
776,589.08x = 1,071,682.72 × 427,722.79 - Step 4: Simplify right side
776,589.08x = 458,383,119,244.68 - Step 5: Solve for x
x = 458,383,119,244.68/776,589.08 - Step 6: Final answer
x = 590,251.82
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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.