Finding the Fourth Proportional to 790,730.24, 1,091,368.69 and 536,163.44
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Solution
The fourth proportional to 790,730.24, 1,091,368.69 and 536,163.44 is: 740,014.68
Step by Step Solution
- Step 1: Write the proportion equation
790,730.24 : 1,091,368.69 = 536,163.44 : x - Step 2: Convert to fraction form
790,730.24/1,091,368.69 = 536,163.44/x - Step 3: Cross multiply
790,730.24x = 1,091,368.69 × 536,163.44 - Step 4: Simplify right side
790,730.24x = 585,151,984,341.44 - Step 5: Solve for x
x = 585,151,984,341.44/790,730.24 - Step 6: Final answer
x = 740,014.68
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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.