Finding the Fourth Proportional to 528,559.97, 729,413.24 and 286,842.58
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Solution
The fourth proportional to 528,559.97, 729,413.24 and 286,842.58 is: 395,843.02
Step by Step Solution
- Step 1: Write the proportion equation
528,559.97 : 729,413.24 = 286,842.58 : x - Step 2: Convert to fraction form
528,559.97/729,413.24 = 286,842.58/x - Step 3: Cross multiply
528,559.97x = 729,413.24 × 286,842.58 - Step 4: Simplify right side
528,559.97x = 209,226,772,390.01 - Step 5: Solve for x
x = 209,226,772,390.01/528,559.97 - Step 6: Final answer
x = 395,843.02
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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.