Finding the Fourth Proportional to 687,527.58, 948,768.72 and 377,430.08
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Solution
The fourth proportional to 687,527.58, 948,768.72 and 377,430.08 is: 520,842.89
Step by Step Solution
- Step 1: Write the proportion equation
687,527.58 : 948,768.72 = 377,430.08 : x - Step 2: Convert to fraction form
687,527.58/948,768.72 = 377,430.08/x - Step 3: Cross multiply
687,527.58x = 948,768.72 × 377,430.08 - Step 4: Simplify right side
687,527.58x = 358,093,853,891.10 - Step 5: Solve for x
x = 358,093,853,891.10/687,527.58 - Step 6: Final answer
x = 520,842.89
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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.