Finding the Fourth Proportional to 734,340.38, 1,103,199.11 and 521,625.47
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Solution
The fourth proportional to 734,340.38, 1,103,199.11 and 521,625.47 is: 783,637.62
Step by Step Solution
- Step 1: Write the proportion equation
734,340.38 : 1,103,199.11 = 521,625.47 : x - Step 2: Convert to fraction form
734,340.38/1,103,199.11 = 521,625.47/x - Step 3: Cross multiply
734,340.38x = 1,103,199.11 × 521,625.47 - Step 4: Simplify right side
734,340.38x = 575,456,746,133.21 - Step 5: Solve for x
x = 575,456,746,133.21/734,340.38 - Step 6: Final answer
x = 783,637.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.