Finding the Fourth Proportional to 998,060.82, 1,497,103.11 and 278,358.74
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Solution
The fourth proportional to 998,060.82, 1,497,103.11 and 278,358.74 is: 417,541.42
Step by Step Solution
- Step 1: Write the proportion equation
998,060.82 : 1,497,103.11 = 278,358.74 : x - Step 2: Convert to fraction form
998,060.82/1,497,103.11 = 278,358.74/x - Step 3: Cross multiply
998,060.82x = 1,497,103.11 × 278,358.74 - Step 4: Simplify right side
998,060.82x = 416,731,727,864.17 - Step 5: Solve for x
x = 416,731,727,864.17/998,060.82 - Step 6: Final answer
x = 417,541.42
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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.