Finding the Fourth Proportional to 602,744.09, 831,726.17 and 361,020.44
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Solution
The fourth proportional to 602,744.09, 831,726.17 and 361,020.44 is: 498,171.88
Step by Step Solution
- Step 1: Write the proportion equation
602,744.09 : 831,726.17 = 361,020.44 : x - Step 2: Convert to fraction form
602,744.09/831,726.17 = 361,020.44/x - Step 3: Cross multiply
602,744.09x = 831,726.17 × 361,020.44 - Step 4: Simplify right side
602,744.09x = 300,270,151,511.70 - Step 5: Solve for x
x = 300,270,151,511.70/602,744.09 - Step 6: Final answer
x = 498,171.88
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1.5x scale
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.