Finding the Fourth Proportional to 775,054.78, 1,069,446.34 and 430,881.12
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Solution
The fourth proportional to 775,054.78, 1,069,446.34 and 430,881.12 is: 594,544.09
Step by Step Solution
- Step 1: Write the proportion equation
775,054.78 : 1,069,446.34 = 430,881.12 : x - Step 2: Convert to fraction form
775,054.78/1,069,446.34 = 430,881.12/x - Step 3: Cross multiply
775,054.78x = 1,069,446.34 × 430,881.12 - Step 4: Simplify right side
775,054.78x = 460,804,237,297.70 - Step 5: Solve for x
x = 460,804,237,297.70/775,054.78 - Step 6: Final answer
x = 594,544.09
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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.