Finding the Fourth Proportional to 665,114.10, 997,671.15 and 452,537.70
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Solution
The fourth proportional to 665,114.10, 997,671.15 and 452,537.70 is: 678,806.55
Step by Step Solution
- Step 1: Write the proportion equation
665,114.10 : 997,671.15 = 452,537.70 : x - Step 2: Convert to fraction form
665,114.10/997,671.15 = 452,537.70/x - Step 3: Cross multiply
665,114.10x = 997,671.15 × 452,537.70 - Step 4: Simplify right side
665,114.10x = 451,483,807,577.36 - Step 5: Solve for x
x = 451,483,807,577.36/665,114.10 - Step 6: Final answer
x = 678,806.55
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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.