Finding the Fourth Proportional to 682,765.44, 942,384.96 and 414,718.08
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Solution
The fourth proportional to 682,765.44, 942,384.96 and 414,718.08 is: 572,413.39
Step by Step Solution
- Step 1: Write the proportion equation
682,765.44 : 942,384.96 = 414,718.08 : x - Step 2: Convert to fraction form
682,765.44/942,384.96 = 414,718.08/x - Step 3: Cross multiply
682,765.44x = 942,384.96 × 414,718.08 - Step 4: Simplify right side
682,765.44x = 390,824,081,232.08 - Step 5: Solve for x
x = 390,824,081,232.08/682,765.44 - Step 6: Final answer
x = 572,413.39
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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.