Finding the Fourth Proportional to 685,281.99, 945,696.62 and 379,363.49
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Solution
The fourth proportional to 685,281.99, 945,696.62 and 379,363.49 is: 523,525.75
Step by Step Solution
- Step 1: Write the proportion equation
685,281.99 : 945,696.62 = 379,363.49 : x - Step 2: Convert to fraction form
685,281.99/945,696.62 = 379,363.49/x - Step 3: Cross multiply
685,281.99x = 945,696.62 × 379,363.49 - Step 4: Simplify right side
685,281.99x = 358,762,766,464.33 - Step 5: Solve for x
x = 358,762,766,464.33/685,281.99 - Step 6: Final answer
x = 523,525.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.