Finding the Fourth Proportional to 805,497.92, 1,207,448.66 and 378,268.96
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Solution
The fourth proportional to 805,497.92, 1,207,448.66 and 378,268.96 is: 567,028.59
Step by Step Solution
- Step 1: Write the proportion equation
805,497.92 : 1,207,448.66 = 378,268.96 : x - Step 2: Convert to fraction form
805,497.92/1,207,448.66 = 378,268.96/x - Step 3: Cross multiply
805,497.92x = 1,207,448.66 × 378,268.96 - Step 4: Simplify right side
805,497.92x = 456,740,348,871.59 - Step 5: Solve for x
x = 456,740,348,871.59/805,497.92 - Step 6: Final answer
x = 567,028.59
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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.