Finding the Fourth Proportional to 657,748.76, 907,693.26 and 355,942.76
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Solution
The fourth proportional to 657,748.76, 907,693.26 and 355,942.76 is: 491,200.99
Step by Step Solution
- Step 1: Write the proportion equation
657,748.76 : 907,693.26 = 355,942.76 : x - Step 2: Convert to fraction form
657,748.76/907,693.26 = 355,942.76/x - Step 3: Cross multiply
657,748.76x = 907,693.26 × 355,942.76 - Step 4: Simplify right side
657,748.76x = 323,086,844,197.80 - Step 5: Solve for x
x = 323,086,844,197.80/657,748.76 - Step 6: Final answer
x = 491,200.99
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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.