Finding the Fourth Proportional to 526,975.27, 727,226.30 and 285,257.09
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Solution
The fourth proportional to 526,975.27, 727,226.30 and 285,257.09 is: 393,655.02
Step by Step Solution
- Step 1: Write the proportion equation
526,975.27 : 727,226.30 = 285,257.09 : x - Step 2: Convert to fraction form
526,975.27/727,226.30 = 285,257.09/x - Step 3: Cross multiply
526,975.27x = 727,226.30 × 285,257.09 - Step 4: Simplify right side
526,975.27x = 207,446,460,640.68 - Step 5: Solve for x
x = 207,446,460,640.68/526,975.27 - Step 6: Final answer
x = 393,655.02
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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.