Finding the Fourth Proportional to 897,366.40, 1,238,369.41 and 489,476.99
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Solution
The fourth proportional to 897,366.40, 1,238,369.41 and 489,476.99 is: 675,480.31
Step by Step Solution
- Step 1: Write the proportion equation
897,366.40 : 1,238,369.41 = 489,476.99 : x - Step 2: Convert to fraction form
897,366.40/1,238,369.41 = 489,476.99/x - Step 3: Cross multiply
897,366.40x = 1,238,369.41 × 489,476.99 - Step 4: Simplify right side
897,366.40x = 606,153,335,022.65 - Step 5: Solve for x
x = 606,153,335,022.65/897,366.40 - Step 6: Final answer
x = 675,480.31
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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.