Finding the Fourth Proportional to 610,260.63, 842,209.56 and 338,413.79
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Solution
The fourth proportional to 610,260.63, 842,209.56 and 338,413.79 is: 467,038.69
Step by Step Solution
- Step 1: Write the proportion equation
610,260.63 : 842,209.56 = 338,413.79 : x - Step 2: Convert to fraction form
610,260.63/842,209.56 = 338,413.79/x - Step 3: Cross multiply
610,260.63x = 842,209.56 × 338,413.79 - Step 4: Simplify right side
610,260.63x = 285,015,324,962.79 - Step 5: Solve for x
x = 285,015,324,962.79/610,260.63 - Step 6: Final answer
x = 467,038.69
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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.