Finding the Fourth Proportional to 867,767.84, 1,302,571.92 and 768,572
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Solution
The fourth proportional to 867,767.84, 1,302,571.92 and 768,572 is: 1,153,672.98
Step by Step Solution
- Step 1: Write the proportion equation
867,767.84 : 1,302,571.92 = 768,572 : x - Step 2: Convert to fraction form
867,767.84/1,302,571.92 = 768,572/x - Step 3: Cross multiply
867,767.84x = 1,302,571.92 × 768,572 - Step 4: Simplify right side
867,767.84x = 1,001,120,305,698.24 - Step 5: Solve for x
x = 1,001,120,305,698.24/867,767.84 - Step 6: Final answer
x = 1,153,672.98
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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.