Finding the Fourth Proportional to 767,128.04, 1,059,090.84 and 682,010
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Solution
The fourth proportional to 767,128.04, 1,059,090.84 and 682,010 is: 941,577.55
Step by Step Solution
- Step 1: Write the proportion equation
767,128.04 : 1,059,090.84 = 682,010 : x - Step 2: Convert to fraction form
767,128.04/1,059,090.84 = 682,010/x - Step 3: Cross multiply
767,128.04x = 1,059,090.84 × 682,010 - Step 4: Simplify right side
767,128.04x = 722,310,543,788.40 - Step 5: Solve for x
x = 722,310,543,788.40/767,128.04 - Step 6: Final answer
x = 941,577.55
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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.