Finding the Fourth Proportional to 511,835.72, 706,335.74 and 282,392.99
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Solution
The fourth proportional to 511,835.72, 706,335.74 and 282,392.99 is: 389,703.68
Step by Step Solution
- Step 1: Write the proportion equation
511,835.72 : 706,335.74 = 282,392.99 : x - Step 2: Convert to fraction form
511,835.72/706,335.74 = 282,392.99/x - Step 3: Cross multiply
511,835.72x = 706,335.74 × 282,392.99 - Step 4: Simplify right side
511,835.72x = 199,464,260,502.61 - Step 5: Solve for x
x = 199,464,260,502.61/511,835.72 - Step 6: Final answer
x = 389,703.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.