Finding the Fourth Proportional to 754,740.70, 1,132,730.70 and 748,835.80
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Solution
The fourth proportional to 754,740.70, 1,132,730.70 and 748,835.80 is: 1,123,868.50
Step by Step Solution
- Step 1: Write the proportion equation
754,740.70 : 1,132,730.70 = 748,835.80 : x - Step 2: Convert to fraction form
754,740.70/1,132,730.70 = 748,835.80/x - Step 3: Cross multiply
754,740.70x = 1,132,730.70 × 748,835.80 - Step 4: Simplify right side
754,740.70x = 848,229,299,919.06 - Step 5: Solve for x
x = 848,229,299,919.06/754,740.70 - Step 6: Final answer
x = 1,123,868.50
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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.