Finding the Fourth Proportional to 665,756.57, 997,049.68 and 425,125.12
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Solution
The fourth proportional to 665,756.57, 997,049.68 and 425,125.12 is: 636,675.45
Step by Step Solution
- Step 1: Write the proportion equation
665,756.57 : 997,049.68 = 425,125.12 : x - Step 2: Convert to fraction form
665,756.57/997,049.68 = 425,125.12/x - Step 3: Cross multiply
665,756.57x = 997,049.68 × 425,125.12 - Step 4: Simplify right side
665,756.57x = 423,870,863,819.45 - Step 5: Solve for x
x = 423,870,863,819.45/665,756.57 - Step 6: Final answer
x = 636,675.45
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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.