Finding the Fourth Proportional to 738,435.71, 1,012,395.68 and 724,984.29
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Solution
The fourth proportional to 738,435.71, 1,012,395.68 and 724,984.29 is: 993,953.78
Step by Step Solution
- Step 1: Write the proportion equation
738,435.71 : 1,012,395.68 = 724,984.29 : x - Step 2: Convert to fraction form
738,435.71/1,012,395.68 = 724,984.29/x - Step 3: Cross multiply
738,435.71x = 1,012,395.68 × 724,984.29 - Step 4: Simplify right side
738,435.71x = 733,970,962,357.64 - Step 5: Solve for x
x = 733,970,962,357.64/738,435.71 - Step 6: Final answer
x = 993,953.78
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.