Finding the Fourth Proportional to 513,394.96, 768,515.99 and 322,963.69
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Solution
The fourth proportional to 513,394.96, 768,515.99 and 322,963.69 is: 483,453.83
Step by Step Solution
- Step 1: Write the proportion equation
513,394.96 : 768,515.99 = 322,963.69 : x - Step 2: Convert to fraction form
513,394.96/768,515.99 = 322,963.69/x - Step 3: Cross multiply
513,394.96x = 768,515.99 × 322,963.69 - Step 4: Simplify right side
513,394.96x = 248,202,759,954.40 - Step 5: Solve for x
x = 248,202,759,954.40/513,394.96 - Step 6: Final answer
x = 483,453.83
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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.