Finding the Fourth Proportional to 742,535.20, 1,024,701.60 and 403,003.84
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Solution
The fourth proportional to 742,535.20, 1,024,701.60 and 403,003.84 is: 556,146.94
Step by Step Solution
- Step 1: Write the proportion equation
742,535.20 : 1,024,701.60 = 403,003.84 : x - Step 2: Convert to fraction form
742,535.20/1,024,701.60 = 403,003.84/x - Step 3: Cross multiply
742,535.20x = 1,024,701.60 × 403,003.84 - Step 4: Simplify right side
742,535.20x = 412,958,679,654.14 - Step 5: Solve for x
x = 412,958,679,654.14/742,535.20 - Step 6: Final answer
x = 556,146.94
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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.