Finding the Fourth Proportional to 785,536.14, 1,178,305.14 and 253,136.46
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Solution
The fourth proportional to 785,536.14, 1,178,305.14 and 253,136.46 is: 379,704.99
Step by Step Solution
- Step 1: Write the proportion equation
785,536.14 : 1,178,305.14 = 253,136.46 : x - Step 2: Convert to fraction form
785,536.14/1,178,305.14 = 253,136.46/x - Step 3: Cross multiply
785,536.14x = 1,178,305.14 × 253,136.46 - Step 4: Simplify right side
785,536.14x = 298,271,991,939.40 - Step 5: Solve for x
x = 298,271,991,939.40/785,536.14 - Step 6: Final answer
x = 379,704.99
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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.