Finding the Fourth Proportional to 744,475.40, 1,116,676.14 and 239,061.12
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Solution
The fourth proportional to 744,475.40, 1,116,676.14 and 239,061.12 is: 358,579.81
Step by Step Solution
- Step 1: Write the proportion equation
744,475.40 : 1,116,676.14 = 239,061.12 : x - Step 2: Convert to fraction form
744,475.40/1,116,676.14 = 239,061.12/x - Step 3: Cross multiply
744,475.40x = 1,116,676.14 × 239,061.12 - Step 4: Simplify right side
744,475.40x = 266,953,848,705.68 - Step 5: Solve for x
x = 266,953,848,705.68/744,475.40 - Step 6: Final answer
x = 358,579.81
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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.