Finding the Fourth Proportional to 695,350.40, 1,043,332.80 and 321,180.80
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Solution
The fourth proportional to 695,350.40, 1,043,332.80 and 321,180.80 is: 481,913.09
Step by Step Solution
- Step 1: Write the proportion equation
695,350.40 : 1,043,332.80 = 321,180.80 : x - Step 2: Convert to fraction form
695,350.40/1,043,332.80 = 321,180.80/x - Step 3: Cross multiply
695,350.40x = 1,043,332.80 × 321,180.80 - Step 4: Simplify right side
695,350.40x = 335,098,463,370.24 - Step 5: Solve for x
x = 335,098,463,370.24/695,350.40 - Step 6: Final answer
x = 481,913.09
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1.5x scale
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.