Finding the Fourth Proportional to 888,140.30, 1,330,679.55 and 413,852.90
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Solution
The fourth proportional to 888,140.30, 1,330,679.55 and 413,852.90 is: 620,065.99
Step by Step Solution
- Step 1: Write the proportion equation
888,140.30 : 1,330,679.55 = 413,852.90 : x - Step 2: Convert to fraction form
888,140.30/1,330,679.55 = 413,852.90/x - Step 3: Cross multiply
888,140.30x = 1,330,679.55 × 413,852.90 - Step 4: Simplify right side
888,140.30x = 550,705,590,738.20 - Step 5: Solve for x
x = 550,705,590,738.20/888,140.30 - Step 6: Final answer
x = 620,065.99
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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.