Finding the Fourth Proportional to 997,712.68, 1,376,841.36 and 545,003.68
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Solution
The fourth proportional to 997,712.68, 1,376,841.36 and 545,003.68 is: 752,103.91
Step by Step Solution
- Step 1: Write the proportion equation
997,712.68 : 1,376,841.36 = 545,003.68 : x - Step 2: Convert to fraction form
997,712.68/1,376,841.36 = 545,003.68/x - Step 3: Cross multiply
997,712.68x = 1,376,841.36 × 545,003.68 - Step 4: Simplify right side
997,712.68x = 750,383,607,976.21 - Step 5: Solve for x
x = 750,383,607,976.21/997,712.68 - Step 6: Final answer
x = 752,103.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.