Finding the Fourth Proportional to 682,973.47, 942,626.76 and 407,348.99
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Solution
The fourth proportional to 682,973.47, 942,626.76 and 407,348.99 is: 562,215.19
Step by Step Solution
- Step 1: Write the proportion equation
682,973.47 : 942,626.76 = 407,348.99 : x - Step 2: Convert to fraction form
682,973.47/942,626.76 = 407,348.99/x - Step 3: Cross multiply
682,973.47x = 942,626.76 × 407,348.99 - Step 4: Simplify right side
682,973.47x = 383,978,060,989.54 - Step 5: Solve for x
x = 383,978,060,989.54/682,973.47 - Step 6: Final answer
x = 562,215.19
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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.