Finding the Fourth Proportional to 526,275.48, 726,260.12 and 284,557.98
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Solution
The fourth proportional to 526,275.48, 726,260.12 and 284,557.98 is: 392,689.99
Step by Step Solution
- Step 1: Write the proportion equation
526,275.48 : 726,260.12 = 284,557.98 : x - Step 2: Convert to fraction form
526,275.48/726,260.12 = 284,557.98/x - Step 3: Cross multiply
526,275.48x = 726,260.12 × 284,557.98 - Step 4: Simplify right side
526,275.48x = 206,663,112,701.76 - Step 5: Solve for x
x = 206,663,112,701.76/526,275.48 - Step 6: Final answer
x = 392,689.99
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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.