Finding the Fourth Proportional to 527,226.12, 727,572.74 and 285,509.07
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Solution
The fourth proportional to 527,226.12, 727,572.74 and 285,509.07 is: 394,002.89
Step by Step Solution
- Step 1: Write the proportion equation
527,226.12 : 727,572.74 = 285,509.07 : x - Step 2: Convert to fraction form
527,226.12/727,572.74 = 285,509.07/x - Step 3: Cross multiply
527,226.12x = 727,572.74 × 285,509.07 - Step 4: Simplify right side
527,226.12x = 207,728,614,927.21 - Step 5: Solve for x
x = 207,728,614,927.21/527,226.12 - Step 6: Final answer
x = 394,002.89
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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.