Finding the Fourth Proportional to 867,771.84, 1,302,577.92 and 768,576
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Solution
The fourth proportional to 867,771.84, 1,302,577.92 and 768,576 is: 1,153,678.98
Step by Step Solution
- Step 1: Write the proportion equation
867,771.84 : 1,302,577.92 = 768,576 : x - Step 2: Convert to fraction form
867,771.84/1,302,577.92 = 768,576/x - Step 3: Cross multiply
867,771.84x = 1,302,577.92 × 768,576 - Step 4: Simplify right side
867,771.84x = 1,001,130,127,441.92 - Step 5: Solve for x
x = 1,001,130,127,441.92/867,771.84 - Step 6: Final answer
x = 1,153,678.98
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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.