Finding the Fourth Proportional to 849,996.36, 1,276,765.20 and 717,136.92
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Solution
The fourth proportional to 849,996.36, 1,276,765.20 and 717,136.92 is: 1,077,199.28
Step by Step Solution
- Step 1: Write the proportion equation
849,996.36 : 1,276,765.20 = 717,136.92 : x - Step 2: Convert to fraction form
849,996.36/1,276,765.20 = 717,136.92/x - Step 3: Cross multiply
849,996.36x = 1,276,765.20 × 717,136.92 - Step 4: Simplify right side
849,996.36x = 915,615,463,091.18 - Step 5: Solve for x
x = 915,615,463,091.18/849,996.36 - Step 6: Final answer
x = 1,077,199.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.