Finding the Fourth Proportional to 526,825.84, 727,019.68 and 285,108.44
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Solution
The fourth proportional to 526,825.84, 727,019.68 and 285,108.44 is: 393,449.66
Step by Step Solution
- Step 1: Write the proportion equation
526,825.84 : 727,019.68 = 285,108.44 : x - Step 2: Convert to fraction form
526,825.84/727,019.68 = 285,108.44/x - Step 3: Cross multiply
526,825.84x = 727,019.68 × 285,108.44 - Step 4: Simplify right side
526,825.84x = 207,279,446,814.10 - Step 5: Solve for x
x = 207,279,446,814.10/526,825.84 - Step 6: Final answer
x = 393,449.66
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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.