Finding the Fourth Proportional to 893,764.06, 1,233,402.42 and 485,866.68
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Solution
The fourth proportional to 893,764.06, 1,233,402.42 and 485,866.68 is: 670,500.38
Step by Step Solution
- Step 1: Write the proportion equation
893,764.06 : 1,233,402.42 = 485,866.68 : x - Step 2: Convert to fraction form
893,764.06/1,233,402.42 = 485,866.68/x - Step 3: Cross multiply
893,764.06x = 1,233,402.42 × 485,866.68 - Step 4: Simplify right side
893,764.06x = 599,269,138,909.37 - Step 5: Solve for x
x = 599,269,138,909.37/893,764.06 - Step 6: Final answer
x = 670,500.38
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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.