Finding the Fourth Proportional to 682,977.24, 942,631.95 and 407,352.75
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Solution
The fourth proportional to 682,977.24, 942,631.95 and 407,352.75 is: 562,220.37
Step by Step Solution
- Step 1: Write the proportion equation
682,977.24 : 942,631.95 = 407,352.75 : x - Step 2: Convert to fraction form
682,977.24/942,631.95 = 407,352.75/x - Step 3: Cross multiply
682,977.24x = 942,631.95 × 407,352.75 - Step 4: Simplify right side
682,977.24x = 383,983,717,070.36 - Step 5: Solve for x
x = 383,983,717,070.36/682,977.24 - Step 6: Final answer
x = 562,220.37
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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.