Finding the Fourth Proportional to 651,235.88, 899,144.36 and 406,593.48
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Solution
The fourth proportional to 651,235.88, 899,144.36 and 406,593.48 is: 561,372.99
Step by Step Solution
- Step 1: Write the proportion equation
651,235.88 : 899,144.36 = 406,593.48 : x - Step 2: Convert to fraction form
651,235.88/899,144.36 = 406,593.48/x - Step 3: Cross multiply
651,235.88x = 899,144.36 × 406,593.48 - Step 4: Simplify right side
651,235.88x = 365,586,234,354.77 - Step 5: Solve for x
x = 365,586,234,354.77/651,235.88 - Step 6: Final answer
x = 561,372.99
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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.