Finding the Fourth Proportional to 623,922.46, 861,012.99 and 337,442.53
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Solution
The fourth proportional to 623,922.46, 861,012.99 and 337,442.53 is: 465,670.69
Step by Step Solution
- Step 1: Write the proportion equation
623,922.46 : 861,012.99 = 337,442.53 : x - Step 2: Convert to fraction form
623,922.46/861,012.99 = 337,442.53/x - Step 3: Cross multiply
623,922.46x = 861,012.99 × 337,442.53 - Step 4: Simplify right side
623,922.46x = 290,542,401,708.47 - Step 5: Solve for x
x = 290,542,401,708.47/623,922.46 - Step 6: Final answer
x = 465,670.69
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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.