Finding the Fourth Proportional to 767,318.14, 1,058,563.11 and 731,742.94
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Solution
The fourth proportional to 767,318.14, 1,058,563.11 and 731,742.94 is: 1,009,484.91
Step by Step Solution
- Step 1: Write the proportion equation
767,318.14 : 1,058,563.11 = 731,742.94 : x - Step 2: Convert to fraction form
767,318.14/1,058,563.11 = 731,742.94/x - Step 3: Cross multiply
767,318.14x = 1,058,563.11 × 731,742.94 - Step 4: Simplify right side
767,318.14x = 774,596,082,286.94 - Step 5: Solve for x
x = 774,596,082,286.94/767,318.14 - Step 6: Final answer
x = 1,009,484.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.