Finding the Fourth Proportional to 623,921.91, 861,012.23 and 337,441.99
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Solution
The fourth proportional to 623,921.91, 861,012.23 and 337,441.99 is: 465,669.94
Step by Step Solution
- Step 1: Write the proportion equation
623,921.91 : 861,012.23 = 337,441.99 : x - Step 2: Convert to fraction form
623,921.91/861,012.23 = 337,441.99/x - Step 3: Cross multiply
623,921.91x = 861,012.23 × 337,441.99 - Step 4: Simplify right side
623,921.91x = 290,541,680,305.54 - Step 5: Solve for x
x = 290,541,680,305.54/623,921.91 - Step 6: Final answer
x = 465,669.94
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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.