Finding the Fourth Proportional to 731,848.86, 1,010,057.09 and 421,692.08
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Solution
The fourth proportional to 731,848.86, 1,010,057.09 and 421,692.08 is: 581,995.94
Step by Step Solution
- Step 1: Write the proportion equation
731,848.86 : 1,010,057.09 = 421,692.08 : x - Step 2: Convert to fraction form
731,848.86/1,010,057.09 = 421,692.08/x - Step 3: Cross multiply
731,848.86x = 1,010,057.09 × 421,692.08 - Step 4: Simplify right side
731,848.86x = 425,933,068,042.10 - Step 5: Solve for x
x = 425,933,068,042.10/731,848.86 - Step 6: Final answer
x = 581,995.94
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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.