Finding the Fourth Proportional to 724,014.87, 999,125.19 and 401,718.03
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Solution
The fourth proportional to 724,014.87, 999,125.19 and 401,718.03 is: 554,362.38
Step by Step Solution
- Step 1: Write the proportion equation
724,014.87 : 999,125.19 = 401,718.03 : x - Step 2: Convert to fraction form
724,014.87/999,125.19 = 401,718.03/x - Step 3: Cross multiply
724,014.87x = 999,125.19 × 401,718.03 - Step 4: Simplify right side
724,014.87x = 401,366,603,050.18 - Step 5: Solve for x
x = 401,366,603,050.18/724,014.87 - Step 6: Final answer
x = 554,362.38
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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.