Finding the Fourth Proportional to 665,125.70, 997,688.55 and 665,125.70
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Solution
The fourth proportional to 665,125.70, 997,688.55 and 665,125.70 is: 997,688.55
Step by Step Solution
- Step 1: Write the proportion equation
665,125.70 : 997,688.55 = 665,125.70 : x - Step 2: Convert to fraction form
665,125.70/997,688.55 = 665,125.70/x - Step 3: Cross multiply
665,125.70x = 997,688.55 × 665,125.70 - Step 4: Simplify right side
665,125.70x = 663,588,295,200.74 - Step 5: Solve for x
x = 663,588,295,200.74/665,125.70 - Step 6: Final answer
x = 997,688.55
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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.