Finding the Fourth Proportional to 770,593.49, 1,063,403.10 and 426,429.20
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Solution
The fourth proportional to 770,593.49, 1,063,403.10 and 426,429.20 is: 588,463.49
Step by Step Solution
- Step 1: Write the proportion equation
770,593.49 : 1,063,403.10 = 426,429.20 : x - Step 2: Convert to fraction form
770,593.49/1,063,403.10 = 426,429.20/x - Step 3: Cross multiply
770,593.49x = 1,063,403.10 × 426,429.20 - Step 4: Simplify right side
770,593.49x = 453,466,135,869.03 - Step 5: Solve for x
x = 453,466,135,869.03/770,593.49 - Step 6: Final answer
x = 588,463.49
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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.