Finding the Fourth Proportional to 756,090.40, 1,134,135.60 and 282,677.80
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Solution
The fourth proportional to 756,090.40, 1,134,135.60 and 282,677.80 is: 424,016.70
Step by Step Solution
- Step 1: Write the proportion equation
756,090.40 : 1,134,135.60 = 282,677.80 : x - Step 2: Convert to fraction form
756,090.40/1,134,135.60 = 282,677.80/x - Step 3: Cross multiply
756,090.40x = 1,134,135.60 × 282,677.80 - Step 4: Simplify right side
756,090.40x = 320,594,956,309.68 - Step 5: Solve for x
x = 320,594,956,309.68/756,090.40 - Step 6: Final answer
x = 424,016.70
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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.