Finding the Fourth Proportional to 454,920.68, 682,972.32 and 349,813.44
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Solution
The fourth proportional to 454,920.68, 682,972.32 and 349,813.44 is: 525,174.84
Step by Step Solution
- Step 1: Write the proportion equation
454,920.68 : 682,972.32 = 349,813.44 : x - Step 2: Convert to fraction form
454,920.68/682,972.32 = 349,813.44/x - Step 3: Cross multiply
454,920.68x = 682,972.32 × 349,813.44 - Step 4: Simplify right side
454,920.68x = 238,912,896,683.98 - Step 5: Solve for x
x = 238,912,896,683.98/454,920.68 - Step 6: Final answer
x = 525,174.84
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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.