Finding the Fourth Proportional to 526,821.17, 727,014.99 and 285,103.67
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Solution
The fourth proportional to 526,821.17, 727,014.99 and 285,103.67 is: 393,444.02
Step by Step Solution
- Step 1: Write the proportion equation
526,821.17 : 727,014.99 = 285,103.67 : x - Step 2: Convert to fraction form
526,821.17/727,014.99 = 285,103.67/x - Step 3: Cross multiply
526,821.17x = 727,014.99 × 285,103.67 - Step 4: Simplify right side
526,821.17x = 207,274,639,228.08 - Step 5: Solve for x
x = 207,274,639,228.08/526,821.17 - Step 6: Final answer
x = 393,444.02
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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.