Finding the Fourth Proportional to 527,305.56, 727,678.08 and 285,582.84
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Solution
The fourth proportional to 527,305.56, 727,678.08 and 285,582.84 is: 394,102.37
Step by Step Solution
- Step 1: Write the proportion equation
527,305.56 : 727,678.08 = 285,582.84 : x - Step 2: Convert to fraction form
527,305.56/727,678.08 = 285,582.84/x - Step 3: Cross multiply
527,305.56x = 727,678.08 × 285,582.84 - Step 4: Simplify right side
527,305.56x = 207,812,372,692.15 - Step 5: Solve for x
x = 207,812,372,692.15/527,305.56 - Step 6: Final answer
x = 394,102.37
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1.5x scale
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.