Finding the Fourth Proportional to 976,193.70, 1,347,136.92 and 546,477.36
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Solution
The fourth proportional to 976,193.70, 1,347,136.92 and 546,477.36 is: 754,132.94
Step by Step Solution
- Step 1: Write the proportion equation
976,193.70 : 1,347,136.92 = 546,477.36 : x - Step 2: Convert to fraction form
976,193.70/1,347,136.92 = 546,477.36/x - Step 3: Cross multiply
976,193.70x = 1,347,136.92 × 546,477.36 - Step 4: Simplify right side
976,193.70x = 736,179,827,600.13 - Step 5: Solve for x
x = 736,179,827,600.13/976,193.70 - Step 6: Final answer
x = 754,132.94
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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.