Finding the Fourth Proportional to 929,564.65, 1,283,968.49 and 766,810.94
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Solution
The fourth proportional to 929,564.65, 1,283,968.49 and 766,810.94 is: 1,059,163.65
Step by Step Solution
- Step 1: Write the proportion equation
929,564.65 : 1,283,968.49 = 766,810.94 : x - Step 2: Convert to fraction form
929,564.65/1,283,968.49 = 766,810.94/x - Step 3: Cross multiply
929,564.65x = 1,283,968.49 × 766,810.94 - Step 4: Simplify right side
929,564.65x = 984,561,084,123.15 - Step 5: Solve for x
x = 984,561,084,123.15/929,564.65 - Step 6: Final answer
x = 1,059,163.65
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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.