Finding the Fourth Proportional to 1,238,476.84, 1,857,900.24 and 439,691.49
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Solution
The fourth proportional to 1,238,476.84, 1,857,900.24 and 439,691.49 is: 659,602.91
Step by Step Solution
- Step 1: Write the proportion equation
1,238,476.84 : 1,857,900.24 = 439,691.49 : x - Step 2: Convert to fraction form
1,238,476.84/1,857,900.24 = 439,691.49/x - Step 3: Cross multiply
1,238,476.84x = 1,857,900.24 × 439,691.49 - Step 4: Simplify right side
1,238,476.84x = 816,902,924,796.96 - Step 5: Solve for x
x = 816,902,924,796.96/1,238,476.84 - Step 6: Final answer
x = 659,602.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.