Finding the Fourth Proportional to 527,475.08, 727,914.74 and 285,763.79
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Solution
The fourth proportional to 527,475.08, 727,914.74 and 285,763.79 is: 394,353.56
Step by Step Solution
- Step 1: Write the proportion equation
527,475.08 : 727,914.74 = 285,763.79 : x - Step 2: Convert to fraction form
527,475.08/727,914.74 = 285,763.79/x - Step 3: Cross multiply
527,475.08x = 727,914.74 × 285,763.79 - Step 4: Simplify right side
527,475.08x = 208,011,675,290.23 - Step 5: Solve for x
x = 208,011,675,290.23/527,475.08 - Step 6: Final answer
x = 394,353.56
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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.