Finding the Fourth Proportional to 819,626.69, 1,228,695.73 and 286,857.09
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Solution
The fourth proportional to 819,626.69, 1,228,695.73 and 286,857.09 is: 430,025.14
Step by Step Solution
- Step 1: Write the proportion equation
819,626.69 : 1,228,695.73 = 286,857.09 : x - Step 2: Convert to fraction form
819,626.69/1,228,695.73 = 286,857.09/x - Step 3: Cross multiply
819,626.69x = 1,228,695.73 × 286,857.09 - Step 4: Simplify right side
819,626.69x = 352,460,080,886.08 - Step 5: Solve for x
x = 352,460,080,886.08/819,626.69 - Step 6: Final answer
x = 430,025.14
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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.