Finding the Fourth Proportional to 897,311.14, 1,238,304.14 and 489,412.99
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Solution
The fourth proportional to 897,311.14, 1,238,304.14 and 489,412.99 is: 675,397.97
Step by Step Solution
- Step 1: Write the proportion equation
897,311.14 : 1,238,304.14 = 489,412.99 : x - Step 2: Convert to fraction form
897,311.14/1,238,304.14 = 489,412.99/x - Step 3: Cross multiply
897,311.14x = 1,238,304.14 × 489,412.99 - Step 4: Simplify right side
897,311.14x = 606,042,123,048.19 - Step 5: Solve for x
x = 606,042,123,048.19/897,311.14 - Step 6: Final answer
x = 675,397.97
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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.