Finding the Fourth Proportional to 602,480.37, 831,204.72 and 395,860.05
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Solution
The fourth proportional to 602,480.37, 831,204.72 and 395,860.05 is: 546,143.50
Step by Step Solution
- Step 1: Write the proportion equation
602,480.37 : 831,204.72 = 395,860.05 : x - Step 2: Convert to fraction form
602,480.37/831,204.72 = 395,860.05/x - Step 3: Cross multiply
602,480.37x = 831,204.72 × 395,860.05 - Step 4: Simplify right side
602,480.37x = 329,040,737,863.41 - Step 5: Solve for x
x = 329,040,737,863.41/602,480.37 - Step 6: Final answer
x = 546,143.50
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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.