Finding the Fourth Proportional to 682,440.41, 942,069.74 and 440,840.76
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Solution
The fourth proportional to 682,440.41, 942,069.74 and 440,840.76 is: 608,555.32
Step by Step Solution
- Step 1: Write the proportion equation
682,440.41 : 942,069.74 = 440,840.76 : x - Step 2: Convert to fraction form
682,440.41/942,069.74 = 440,840.76/x - Step 3: Cross multiply
682,440.41x = 942,069.74 × 440,840.76 - Step 4: Simplify right side
682,440.41x = 415,302,737,950.40 - Step 5: Solve for x
x = 415,302,737,950.40/682,440.41 - Step 6: Final answer
x = 608,555.32
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1.5x scale
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.