Finding the Fourth Proportional to 657,796.62, 907,757.55 and 355,990.62
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Solution
The fourth proportional to 657,796.62, 907,757.55 and 355,990.62 is: 491,266.09
Step by Step Solution
- Step 1: Write the proportion equation
657,796.62 : 907,757.55 = 355,990.62 : x - Step 2: Convert to fraction form
657,796.62/907,757.55 = 355,990.62/x - Step 3: Cross multiply
657,796.62x = 907,757.55 × 355,990.62 - Step 4: Simplify right side
657,796.62x = 323,153,173,034.18 - Step 5: Solve for x
x = 323,153,173,034.18/657,796.62 - Step 6: Final answer
x = 491,266.09
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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.