Finding the Fourth Proportional to 588,851.12, 812,614.68 and 320,579.12
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Solution
The fourth proportional to 588,851.12, 812,614.68 and 320,579.12 is: 442,399.26
Step by Step Solution
- Step 1: Write the proportion equation
588,851.12 : 812,614.68 = 320,579.12 : x - Step 2: Convert to fraction form
588,851.12/812,614.68 = 320,579.12/x - Step 3: Cross multiply
588,851.12x = 812,614.68 × 320,579.12 - Step 4: Simplify right side
588,851.12x = 260,507,299,013.48 - Step 5: Solve for x
x = 260,507,299,013.48/588,851.12 - Step 6: Final answer
x = 442,399.26
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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.