Finding the Fourth Proportional to 918,103.99, 1,372,928.14 and 873,314.23
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Solution
The fourth proportional to 918,103.99, 1,372,928.14 and 873,314.23 is: 1,305,949.76
Step by Step Solution
- Step 1: Write the proportion equation
918,103.99 : 1,372,928.14 = 873,314.23 : x - Step 2: Convert to fraction form
918,103.99/1,372,928.14 = 873,314.23/x - Step 3: Cross multiply
918,103.99x = 1,372,928.14 × 873,314.23 - Step 4: Simplify right side
918,103.99x = 1,198,997,681,429.43 - Step 5: Solve for x
x = 1,198,997,681,429.43/918,103.99 - Step 6: Final answer
x = 1,305,949.76
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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.