Finding the Fourth Proportional to 803,435.36, 1,204,518.91 and 398,348.26
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Solution
The fourth proportional to 803,435.36, 1,204,518.91 and 398,348.26 is: 597,207.99
Step by Step Solution
- Step 1: Write the proportion equation
803,435.36 : 1,204,518.91 = 398,348.26 : x - Step 2: Convert to fraction form
803,435.36/1,204,518.91 = 398,348.26/x - Step 3: Cross multiply
803,435.36x = 1,204,518.91 × 398,348.26 - Step 4: Simplify right side
803,435.36x = 479,818,015,450.75 - Step 5: Solve for x
x = 479,818,015,450.75/803,435.36 - Step 6: Final answer
x = 597,207.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.