Finding the Fourth Proportional to 789,027.54, 1,089,253.97 and 517,511.49
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Solution
The fourth proportional to 789,027.54, 1,089,253.97 and 517,511.49 is: 714,425.56
Step by Step Solution
- Step 1: Write the proportion equation
789,027.54 : 1,089,253.97 = 517,511.49 : x - Step 2: Convert to fraction form
789,027.54/1,089,253.97 = 517,511.49/x - Step 3: Cross multiply
789,027.54x = 1,089,253.97 × 517,511.49 - Step 4: Simplify right side
789,027.54x = 563,701,442,415.56 - Step 5: Solve for x
x = 563,701,442,415.56/789,027.54 - Step 6: Final answer
x = 714,425.56
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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.