Finding the Fourth Proportional to 459,807.31, 689,652.64 and 341,650.99
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Solution
The fourth proportional to 459,807.31, 689,652.64 and 341,650.99 is: 512,433.15
Step by Step Solution
- Step 1: Write the proportion equation
459,807.31 : 689,652.64 = 341,650.99 : x - Step 2: Convert to fraction form
459,807.31/689,652.64 = 341,650.99/x - Step 3: Cross multiply
459,807.31x = 689,652.64 × 341,650.99 - Step 4: Simplify right side
459,807.31x = 235,620,507,212.11 - Step 5: Solve for x
x = 235,620,507,212.11/459,807.31 - Step 6: Final answer
x = 512,433.15
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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.