Finding the Fourth Proportional to 897,396.26, 1,238,410.69 and 489,506.99
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Solution
The fourth proportional to 897,396.26, 1,238,410.69 and 489,506.99 is: 675,521.74
Step by Step Solution
- Step 1: Write the proportion equation
897,396.26 : 1,238,410.69 = 489,506.99 : x - Step 2: Convert to fraction form
897,396.26/1,238,410.69 = 489,506.99/x - Step 3: Cross multiply
897,396.26x = 1,238,410.69 × 489,506.99 - Step 4: Simplify right side
897,396.26x = 606,210,681,829.90 - Step 5: Solve for x
x = 606,210,681,829.90/897,396.26 - Step 6: Final answer
x = 675,521.74
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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.