Finding the Fourth Proportional to 670,070.10, 1,005,292.79 and 270,991.14
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Solution
The fourth proportional to 670,070.10, 1,005,292.79 and 270,991.14 is: 406,562.59
Step by Step Solution
- Step 1: Write the proportion equation
670,070.10 : 1,005,292.79 = 270,991.14 : x - Step 2: Convert to fraction form
670,070.10/1,005,292.79 = 270,991.14/x - Step 3: Cross multiply
670,070.10x = 1,005,292.79 × 270,991.14 - Step 4: Simplify right side
670,070.10x = 272,425,435,087.29 - Step 5: Solve for x
x = 272,425,435,087.29/670,070.10 - Step 6: Final answer
x = 406,562.59
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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.