Finding the Fourth Proportional to 760,832.18, 1,139,566.11 and 520,376.18
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Solution
The fourth proportional to 760,832.18, 1,139,566.11 and 520,376.18 is: 779,413.75
Step by Step Solution
- Step 1: Write the proportion equation
760,832.18 : 1,139,566.11 = 520,376.18 : x - Step 2: Convert to fraction form
760,832.18/1,139,566.11 = 520,376.18/x - Step 3: Cross multiply
760,832.18x = 1,139,566.11 × 520,376.18 - Step 4: Simplify right side
760,832.18x = 593,003,059,179.26 - Step 5: Solve for x
x = 593,003,059,179.26/760,832.18 - Step 6: Final answer
x = 779,413.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.