Finding the Fourth Proportional to 536,953.98, 803,678.49 and 394,761.66
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Solution
The fourth proportional to 536,953.98, 803,678.49 and 394,761.66 is: 590,854.09
Step by Step Solution
- Step 1: Write the proportion equation
536,953.98 : 803,678.49 = 394,761.66 : x - Step 2: Convert to fraction form
536,953.98/803,678.49 = 394,761.66/x - Step 3: Cross multiply
536,953.98x = 803,678.49 × 394,761.66 - Step 4: Simplify right side
536,953.98x = 317,261,454,818.69 - Step 5: Solve for x
x = 317,261,454,818.69/536,953.98 - Step 6: Final answer
x = 590,854.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.