Finding the Fourth Proportional to 936,532.53, 1,292,414.81 and 506,812.68
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Solution
The fourth proportional to 936,532.53, 1,292,414.81 and 506,812.68 is: 699,401.45
Step by Step Solution
- Step 1: Write the proportion equation
936,532.53 : 1,292,414.81 = 506,812.68 : x - Step 2: Convert to fraction form
936,532.53/1,292,414.81 = 506,812.68/x - Step 3: Cross multiply
936,532.53x = 1,292,414.81 × 506,812.68 - Step 4: Simplify right side
936,532.53x = 655,012,210,993.73 - Step 5: Solve for x
x = 655,012,210,993.73/936,532.53 - Step 6: Final answer
x = 699,401.45
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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.