Finding the Fourth Proportional to 897,713.37, 1,238,842.64 and 489,814.99
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Solution
The fourth proportional to 897,713.37, 1,238,842.64 and 489,814.99 is: 675,943.70
Step by Step Solution
- Step 1: Write the proportion equation
897,713.37 : 1,238,842.64 = 489,814.99 : x - Step 2: Convert to fraction form
897,713.37/1,238,842.64 = 489,814.99/x - Step 3: Cross multiply
897,713.37x = 1,238,842.64 × 489,814.99 - Step 4: Simplify right side
897,713.37x = 606,803,693,450.61 - Step 5: Solve for x
x = 606,803,693,450.61/897,713.37 - Step 6: Final answer
x = 675,943.70
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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.