Finding the Fourth Proportional to 621,792.84, 930,758.55 and 336,775.49
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Solution
The fourth proportional to 621,792.84, 930,758.55 and 336,775.49 is: 504,117.52
Step by Step Solution
- Step 1: Write the proportion equation
621,792.84 : 930,758.55 = 336,775.49 : x - Step 2: Convert to fraction form
621,792.84/930,758.55 = 336,775.49/x - Step 3: Cross multiply
621,792.84x = 930,758.55 × 336,775.49 - Step 4: Simplify right side
621,792.84x = 313,456,664,321.58 - Step 5: Solve for x
x = 313,456,664,321.58/621,792.84 - Step 6: Final answer
x = 504,117.52
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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.