Finding the Fourth Proportional to 867,768.84, 1,302,573.42 and 768,573
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Solution
The fourth proportional to 867,768.84, 1,302,573.42 and 768,573 is: 1,153,674.48
Step by Step Solution
- Step 1: Write the proportion equation
867,768.84 : 1,302,573.42 = 768,573 : x - Step 2: Convert to fraction form
867,768.84/1,302,573.42 = 768,573/x - Step 3: Cross multiply
867,768.84x = 1,302,573.42 × 768,573 - Step 4: Simplify right side
867,768.84x = 1,001,122,761,129.66 - Step 5: Solve for x
x = 1,001,122,761,129.66/867,768.84 - Step 6: Final answer
x = 1,153,674.48
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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.