Finding the Fourth Proportional to 638,566.60, 881,243.18 and 380,408.26
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Solution
The fourth proportional to 638,566.60, 881,243.18 and 380,408.26 is: 524,976.07
Step by Step Solution
- Step 1: Write the proportion equation
638,566.60 : 881,243.18 = 380,408.26 : x - Step 2: Convert to fraction form
638,566.60/881,243.18 = 380,408.26/x - Step 3: Cross multiply
638,566.60x = 881,243.18 × 380,408.26 - Step 4: Simplify right side
638,566.60x = 335,232,184,740.67 - Step 5: Solve for x
x = 335,232,184,740.67/638,566.60 - Step 6: Final answer
x = 524,976.07
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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.