Finding the Fourth Proportional to 439,544.05, 659,316.08 and 439,544.05
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Solution
The fourth proportional to 439,544.05, 659,316.08 and 439,544.05 is: 659,316.08
Step by Step Solution
- Step 1: Write the proportion equation
439,544.05 : 659,316.08 = 439,544.05 : x - Step 2: Convert to fraction form
439,544.05/659,316.08 = 439,544.05/x - Step 3: Cross multiply
439,544.05x = 659,316.08 × 439,544.05 - Step 4: Simplify right side
439,544.05x = 289,798,457,835.60 - Step 5: Solve for x
x = 289,798,457,835.60/439,544.05 - Step 6: Final answer
x = 659,316.08
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1.5x scale
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.