Finding the Fourth Proportional to 672,092.07, 926,864.10 and 490,516.41
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Solution
The fourth proportional to 672,092.07, 926,864.10 and 490,516.41 is: 676,457.99
Step by Step Solution
- Step 1: Write the proportion equation
672,092.07 : 926,864.10 = 490,516.41 : x - Step 2: Convert to fraction form
672,092.07/926,864.10 = 490,516.41/x - Step 3: Cross multiply
672,092.07x = 926,864.10 × 490,516.41 - Step 4: Simplify right side
672,092.07x = 454,642,050,889.88 - Step 5: Solve for x
x = 454,642,050,889.88/672,092.07 - Step 6: Final answer
x = 676,457.99
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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.