Finding the Fourth Proportional to 536,689.68, 804,911.48 and 320,609.31
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Solution
The fourth proportional to 536,689.68, 804,911.48 and 320,609.31 is: 480,840.46
Step by Step Solution
- Step 1: Write the proportion equation
536,689.68 : 804,911.48 = 320,609.31 : x - Step 2: Convert to fraction form
536,689.68/804,911.48 = 320,609.31/x - Step 3: Cross multiply
536,689.68x = 804,911.48 × 320,609.31 - Step 4: Simplify right side
536,689.68x = 258,062,112,610.83 - Step 5: Solve for x
x = 258,062,112,610.83/536,689.68 - Step 6: Final answer
x = 480,840.46
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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.