Finding the Fourth Proportional to 898,483.75, 1,239,957.81 and 490,623.45
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Solution
The fourth proportional to 898,483.75, 1,239,957.81 and 490,623.45 is: 677,087.80
Step by Step Solution
- Step 1: Write the proportion equation
898,483.75 : 1,239,957.81 = 490,623.45 : x - Step 2: Convert to fraction form
898,483.75/1,239,957.81 = 490,623.45/x - Step 3: Cross multiply
898,483.75x = 1,239,957.81 × 490,623.45 - Step 4: Simplify right side
898,483.75x = 608,352,383,719.03 - Step 5: Solve for x
x = 608,352,383,719.03/898,483.75 - Step 6: Final answer
x = 677,087.80
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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.