Finding the Fourth Proportional to 998,731.12, 1,378,248.84 and 546,022
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Solution
The fourth proportional to 998,731.12, 1,378,248.84 and 546,022 is: 753,510.30
Step by Step Solution
- Step 1: Write the proportion equation
998,731.12 : 1,378,248.84 = 546,022 : x - Step 2: Convert to fraction form
998,731.12/1,378,248.84 = 546,022/x - Step 3: Cross multiply
998,731.12x = 1,378,248.84 × 546,022 - Step 4: Simplify right side
998,731.12x = 752,554,188,114.48 - Step 5: Solve for x
x = 752,554,188,114.48/998,731.12 - Step 6: Final answer
x = 753,510.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.