Finding the Fourth Proportional to 659,311.63, 909,850.52 and 357,505.63
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Solution
The fourth proportional to 659,311.63, 909,850.52 and 357,505.63 is: 493,358.02
Step by Step Solution
- Step 1: Write the proportion equation
659,311.63 : 909,850.52 = 357,505.63 : x - Step 2: Convert to fraction form
659,311.63/909,850.52 = 357,505.63/x - Step 3: Cross multiply
659,311.63x = 909,850.52 × 357,505.63 - Step 4: Simplify right side
659,311.63x = 325,276,683,358.43 - Step 5: Solve for x
x = 325,276,683,358.43/659,311.63 - Step 6: Final answer
x = 493,358.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.