Finding the Fourth Proportional to 646,907.80, 970,361.70 and 366,971.80
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Solution
The fourth proportional to 646,907.80, 970,361.70 and 366,971.80 is: 550,457.70
Step by Step Solution
- Step 1: Write the proportion equation
646,907.80 : 970,361.70 = 366,971.80 : x - Step 2: Convert to fraction form
646,907.80/970,361.70 = 366,971.80/x - Step 3: Cross multiply
646,907.80x = 970,361.70 × 366,971.80 - Step 4: Simplify right side
646,907.80x = 356,095,379,700.06 - Step 5: Solve for x
x = 356,095,379,700.06/646,907.80 - Step 6: Final answer
x = 550,457.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.