Finding the Fourth Proportional to 641,214.20, 960,509.10 and 325,848.80
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Solution
The fourth proportional to 641,214.20, 960,509.10 and 325,848.80 is: 488,106.37
Step by Step Solution
- Step 1: Write the proportion equation
641,214.20 : 960,509.10 = 325,848.80 : x - Step 2: Convert to fraction form
641,214.20/960,509.10 = 325,848.80/x - Step 3: Cross multiply
641,214.20x = 960,509.10 × 325,848.80 - Step 4: Simplify right side
641,214.20x = 312,980,737,624.08 - Step 5: Solve for x
x = 312,980,737,624.08/641,214.20 - Step 6: Final answer
x = 488,106.37
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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.