Finding the Fourth Proportional to 526,976.27, 727,227.68 and 285,258.09
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Solution
The fourth proportional to 526,976.27, 727,227.68 and 285,258.09 is: 393,656.40
Step by Step Solution
- Step 1: Write the proportion equation
526,976.27 : 727,227.68 = 285,258.09 : x - Step 2: Convert to fraction form
526,976.27/727,227.68 = 285,258.09/x - Step 3: Cross multiply
526,976.27x = 727,227.68 × 285,258.09 - Step 4: Simplify right side
526,976.27x = 207,447,578,991.93 - Step 5: Solve for x
x = 207,447,578,991.93/526,976.27 - Step 6: Final answer
x = 393,656.40
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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.