Finding the Fourth Proportional to 898,502.06, 1,239,958.42 and 490,629.80
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Solution
The fourth proportional to 898,502.06, 1,239,958.42 and 490,629.80 is: 677,083.09
Step by Step Solution
- Step 1: Write the proportion equation
898,502.06 : 1,239,958.42 = 490,629.80 : x - Step 2: Convert to fraction form
898,502.06/1,239,958.42 = 490,629.80/x - Step 3: Cross multiply
898,502.06x = 1,239,958.42 × 490,629.80 - Step 4: Simplify right side
898,502.06x = 608,360,551,612.92 - Step 5: Solve for x
x = 608,360,551,612.92/898,502.06 - Step 6: Final answer
x = 677,083.09
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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.