Finding the Fourth Proportional to 742,133.70, 1,041,086.70 and 742,133.70
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Solution
The fourth proportional to 742,133.70, 1,041,086.70 and 742,133.70 is: 1,041,086.70
Step by Step Solution
- Step 1: Write the proportion equation
742,133.70 : 1,041,086.70 = 742,133.70 : x - Step 2: Convert to fraction form
742,133.70/1,041,086.70 = 742,133.70/x - Step 3: Cross multiply
742,133.70x = 1,041,086.70 × 742,133.70 - Step 4: Simplify right side
742,133.70x = 772,625,524,691.79 - Step 5: Solve for x
x = 772,625,524,691.79/742,133.70 - Step 6: Final answer
x = 1,041,086.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.