Finding the Fourth Proportional to 527,246.12, 727,595.84 and 285,523.09
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Solution
The fourth proportional to 527,246.12, 727,595.84 and 285,523.09 is: 394,019.80
Step by Step Solution
- Step 1: Write the proportion equation
527,246.12 : 727,595.84 = 285,523.09 : x - Step 2: Convert to fraction form
527,246.12/727,595.84 = 285,523.09/x - Step 3: Cross multiply
527,246.12x = 727,595.84 × 285,523.09 - Step 4: Simplify right side
527,246.12x = 207,745,411,028.63 - Step 5: Solve for x
x = 207,745,411,028.63/527,246.12 - Step 6: Final answer
x = 394,019.80
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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.