Finding the Fourth Proportional to 955,463.39, 1,318,499.93 and 519,882.53
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Solution
The fourth proportional to 955,463.39, 1,318,499.93 and 519,882.53 is: 717,416.37
Step by Step Solution
- Step 1: Write the proportion equation
955,463.39 : 1,318,499.93 = 519,882.53 : x - Step 2: Convert to fraction form
955,463.39/1,318,499.93 = 519,882.53/x - Step 3: Cross multiply
955,463.39x = 1,318,499.93 × 519,882.53 - Step 4: Simplify right side
955,463.39x = 685,465,074,120.43 - Step 5: Solve for x
x = 685,465,074,120.43/955,463.39 - Step 6: Final answer
x = 717,416.37
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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.