Finding the Fourth Proportional to 665,757.57, 997,051.18 and 425,126.12
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Solution
The fourth proportional to 665,757.57, 997,051.18 and 425,126.12 is: 636,676.95
Step by Step Solution
- Step 1: Write the proportion equation
665,757.57 : 997,051.18 = 425,126.12 : x - Step 2: Convert to fraction form
665,757.57/997,051.18 = 425,126.12/x - Step 3: Cross multiply
665,757.57x = 997,051.18 × 425,126.12 - Step 4: Simplify right side
665,757.57x = 423,872,499,594.82 - Step 5: Solve for x
x = 423,872,499,594.82/665,757.57 - Step 6: Final answer
x = 636,676.95
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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.