Finding the Fourth Proportional to 554,413.92, 765,090.72 and 299,764.50
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Solution
The fourth proportional to 554,413.92, 765,090.72 and 299,764.50 is: 413,674.75
Step by Step Solution
- Step 1: Write the proportion equation
554,413.92 : 765,090.72 = 299,764.50 : x - Step 2: Convert to fraction form
554,413.92/765,090.72 = 299,764.50/x - Step 3: Cross multiply
554,413.92x = 765,090.72 × 299,764.50 - Step 4: Simplify right side
554,413.92x = 229,347,037,135.44 - Step 5: Solve for x
x = 229,347,037,135.44/554,413.92 - Step 6: Final answer
x = 413,674.75
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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.