Finding the Fourth Proportional to 664,412.20, 996,618.30 and 464,957.80
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Solution
The fourth proportional to 664,412.20, 996,618.30 and 464,957.80 is: 697,436.70
Step by Step Solution
- Step 1: Write the proportion equation
664,412.20 : 996,618.30 = 464,957.80 : x - Step 2: Convert to fraction form
664,412.20/996,618.30 = 464,957.80/x - Step 3: Cross multiply
664,412.20x = 996,618.30 × 464,957.80 - Step 4: Simplify right side
664,412.20x = 463,385,452,207.74 - Step 5: Solve for x
x = 463,385,452,207.74/664,412.20 - Step 6: Final answer
x = 697,436.70
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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.