Finding the Fourth Proportional to 557,062.62, 768,746.90 and 302,413.80
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Solution
The fourth proportional to 557,062.62, 768,746.90 and 302,413.80 is: 417,331.32
Step by Step Solution
- Step 1: Write the proportion equation
557,062.62 : 768,746.90 = 302,413.80 : x - Step 2: Convert to fraction form
557,062.62/768,746.90 = 302,413.80/x - Step 3: Cross multiply
557,062.62x = 768,746.90 × 302,413.80 - Step 4: Simplify right side
557,062.62x = 232,479,674,906.06 - Step 5: Solve for x
x = 232,479,674,906.06/557,062.62 - Step 6: Final answer
x = 417,331.32
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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.