Finding the Fourth Proportional to 655,349.59, 904,199.68 and 422,678.08
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Solution
The fourth proportional to 655,349.59, 904,199.68 and 422,678.08 is: 583,177.88
Step by Step Solution
- Step 1: Write the proportion equation
655,349.59 : 904,199.68 = 422,678.08 : x - Step 2: Convert to fraction form
655,349.59/904,199.68 = 422,678.08/x - Step 3: Cross multiply
655,349.59x = 904,199.68 × 422,678.08 - Step 4: Simplify right side
655,349.59x = 382,185,387,526.39 - Step 5: Solve for x
x = 382,185,387,526.39/655,349.59 - Step 6: Final answer
x = 583,177.88
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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.