Finding the Fourth Proportional to 917,268.26, 1,376,139.99 and 348,659.06
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Solution
The fourth proportional to 917,268.26, 1,376,139.99 and 348,659.06 is: 523,078.90
Step by Step Solution
- Step 1: Write the proportion equation
917,268.26 : 1,376,139.99 = 348,659.06 : x - Step 2: Convert to fraction form
917,268.26/1,376,139.99 = 348,659.06/x - Step 3: Cross multiply
917,268.26x = 1,376,139.99 × 348,659.06 - Step 4: Simplify right side
917,268.26x = 479,803,675,341.81 - Step 5: Solve for x
x = 479,803,675,341.81/917,268.26 - Step 6: Final answer
x = 523,078.90
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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.