Finding the Fourth Proportional to 875,297.09, 1,207,915.26 and 488,136.96
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Solution
The fourth proportional to 875,297.09, 1,207,915.26 and 488,136.96 is: 673,631.94
Step by Step Solution
- Step 1: Write the proportion equation
875,297.09 : 1,207,915.26 = 488,136.96 : x - Step 2: Convert to fraction form
875,297.09/1,207,915.26 = 488,136.96/x - Step 3: Cross multiply
875,297.09x = 1,207,915.26 × 488,136.96 - Step 4: Simplify right side
875,297.09x = 589,628,076,288.73 - Step 5: Solve for x
x = 589,628,076,288.73/875,297.09 - Step 6: Final answer
x = 673,631.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.