Finding the Fourth Proportional to 511,994.80, 706,818.47 and 374,018.79
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Solution
The fourth proportional to 511,994.80, 706,818.47 and 374,018.79 is: 516,339.99
Step by Step Solution
- Step 1: Write the proportion equation
511,994.80 : 706,818.47 = 374,018.79 : x - Step 2: Convert to fraction form
511,994.80/706,818.47 = 374,018.79/x - Step 3: Cross multiply
511,994.80x = 706,818.47 × 374,018.79 - Step 4: Simplify right side
511,994.80x = 264,363,388,899.05 - Step 5: Solve for x
x = 264,363,388,899.05/511,994.80 - Step 6: Final answer
x = 516,339.99
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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.