Finding the Fourth Proportional to 790,245.34, 1,090,541.35 and 427,669.09
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Solution
The fourth proportional to 790,245.34, 1,090,541.35 and 427,669.09 is: 590,184.85
Step by Step Solution
- Step 1: Write the proportion equation
790,245.34 : 1,090,541.35 = 427,669.09 : x - Step 2: Convert to fraction form
790,245.34/1,090,541.35 = 427,669.09/x - Step 3: Cross multiply
790,245.34x = 1,090,541.35 × 427,669.09 - Step 4: Simplify right side
790,245.34x = 466,390,825,692.70 - Step 5: Solve for x
x = 466,390,825,692.70/790,245.34 - Step 6: Final answer
x = 590,184.85
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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.