Finding the Fourth Proportional to 917,159.26, 1,376,029.48 and 715,446.96
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Solution
The fourth proportional to 917,159.26, 1,376,029.48 and 715,446.96 is: 1,073,397.12
Step by Step Solution
- Step 1: Write the proportion equation
917,159.26 : 1,376,029.48 = 715,446.96 : x - Step 2: Convert to fraction form
917,159.26/1,376,029.48 = 715,446.96/x - Step 3: Cross multiply
917,159.26x = 1,376,029.48 × 715,446.96 - Step 4: Simplify right side
917,159.26x = 984,476,108,336.38 - Step 5: Solve for x
x = 984,476,108,336.38/917,159.26 - Step 6: Final answer
x = 1,073,397.12
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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.