Finding the Fourth Proportional to 513,394.46, 768,515.24 and 322,963.19
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Solution
The fourth proportional to 513,394.46, 768,515.24 and 322,963.19 is: 483,453.08
Step by Step Solution
- Step 1: Write the proportion equation
513,394.46 : 768,515.24 = 322,963.19 : x - Step 2: Convert to fraction form
513,394.46/768,515.24 = 322,963.19/x - Step 3: Cross multiply
513,394.46x = 768,515.24 × 322,963.19 - Step 4: Simplify right side
513,394.46x = 248,202,133,724.48 - Step 5: Solve for x
x = 248,202,133,724.48/513,394.46 - Step 6: Final answer
x = 483,453.08
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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.