Finding the Fourth Proportional to 624,173.69, 861,356.06 and 337,687.62
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Solution
The fourth proportional to 624,173.69, 861,356.06 and 337,687.62 is: 466,006.95
Step by Step Solution
- Step 1: Write the proportion equation
624,173.69 : 861,356.06 = 337,687.62 : x - Step 2: Convert to fraction form
624,173.69/861,356.06 = 337,687.62/x - Step 3: Cross multiply
624,173.69x = 861,356.06 × 337,687.62 - Step 4: Simplify right side
624,173.69x = 290,869,276,185.54 - Step 5: Solve for x
x = 290,869,276,185.54/624,173.69 - Step 6: Final answer
x = 466,006.95
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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.