Finding the Fourth Proportional to 520,898.74, 781,378.36 and 201,052.42
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Solution
The fourth proportional to 520,898.74, 781,378.36 and 201,052.42 is: 301,590.30
Step by Step Solution
- Step 1: Write the proportion equation
520,898.74 : 781,378.36 = 201,052.42 : x - Step 2: Convert to fraction form
520,898.74/781,378.36 = 201,052.42/x - Step 3: Cross multiply
520,898.74x = 781,378.36 × 201,052.42 - Step 4: Simplify right side
520,898.74x = 157,098,007,757.55 - Step 5: Solve for x
x = 157,098,007,757.55/520,898.74 - Step 6: Final answer
x = 301,590.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.