Finding the Fourth Proportional to 664,415.20, 996,622.80 and 464,960.80
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Solution
The fourth proportional to 664,415.20, 996,622.80 and 464,960.80 is: 697,441.20
Step by Step Solution
- Step 1: Write the proportion equation
664,415.20 : 996,622.80 = 464,960.80 : x - Step 2: Convert to fraction form
664,415.20/996,622.80 = 464,960.80/x - Step 3: Cross multiply
664,415.20x = 996,622.80 × 464,960.80 - Step 4: Simplify right side
664,415.20x = 463,390,534,386.24 - Step 5: Solve for x
x = 463,390,534,386.24/664,415.20 - Step 6: Final answer
x = 697,441.20
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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.