Finding the Fourth Proportional to 639,739.20, 958,952.70 and 373,362.60
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Solution
The fourth proportional to 639,739.20, 958,952.70 and 373,362.60 is: 559,660.99
Step by Step Solution
- Step 1: Write the proportion equation
639,739.20 : 958,952.70 = 373,362.60 : x - Step 2: Convert to fraction form
639,739.20/958,952.70 = 373,362.60/x - Step 3: Cross multiply
639,739.20x = 958,952.70 × 373,362.60 - Step 4: Simplify right side
639,739.20x = 358,037,073,349.02 - Step 5: Solve for x
x = 358,037,073,349.02/639,739.20 - Step 6: Final answer
x = 559,660.99
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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.