Finding the Fourth Proportional to 513,394.33, 768,515.06 and 322,963.06
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Solution
The fourth proportional to 513,394.33, 768,515.06 and 322,963.06 is: 483,452.90
Step by Step Solution
- Step 1: Write the proportion equation
513,394.33 : 768,515.06 = 322,963.06 : x - Step 2: Convert to fraction form
513,394.33/768,515.06 = 322,963.06/x - Step 3: Cross multiply
513,394.33x = 768,515.06 × 322,963.06 - Step 4: Simplify right side
513,394.33x = 248,201,976,826.03 - Step 5: Solve for x
x = 248,201,976,826.03/513,394.33 - Step 6: Final answer
x = 483,452.90
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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.