Finding the Fourth Proportional to 755,137.42, 1,042,089.62 and 415,605.66
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Solution
The fourth proportional to 755,137.42, 1,042,089.62 and 415,605.66 is: 573,535.80
Step by Step Solution
- Step 1: Write the proportion equation
755,137.42 : 1,042,089.62 = 415,605.66 : x - Step 2: Convert to fraction form
755,137.42/1,042,089.62 = 415,605.66/x - Step 3: Cross multiply
755,137.42x = 1,042,089.62 × 415,605.66 - Step 4: Simplify right side
755,137.42x = 433,098,344,299.25 - Step 5: Solve for x
x = 433,098,344,299.25/755,137.42 - Step 6: Final answer
x = 573,535.80
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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.