Finding the Fourth Proportional to 526,087.65, 726,000.80 and 284,370.09
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Solution
The fourth proportional to 526,087.65, 726,000.80 and 284,370.09 is: 392,430.64
Step by Step Solution
- Step 1: Write the proportion equation
526,087.65 : 726,000.80 = 284,370.09 : x - Step 2: Convert to fraction form
526,087.65/726,000.80 = 284,370.09/x - Step 3: Cross multiply
526,087.65x = 726,000.80 × 284,370.09 - Step 4: Simplify right side
526,087.65x = 206,452,912,836.07 - Step 5: Solve for x
x = 206,452,912,836.07/526,087.65 - Step 6: Final answer
x = 392,430.64
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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.