Finding the Fourth Proportional to 771,610.06, 1,065,101.37 and 628,120.96
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Solution
The fourth proportional to 771,610.06, 1,065,101.37 and 628,120.96 is: 867,034.44
Step by Step Solution
- Step 1: Write the proportion equation
771,610.06 : 1,065,101.37 = 628,120.96 : x - Step 2: Convert to fraction form
771,610.06/1,065,101.37 = 628,120.96/x - Step 3: Cross multiply
771,610.06x = 1,065,101.37 × 628,120.96 - Step 4: Simplify right side
771,610.06x = 669,012,495,021.72 - Step 5: Solve for x
x = 669,012,495,021.72/771,610.06 - Step 6: Final answer
x = 867,034.44
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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.