Finding the Fourth Proportional to 939,414, 1,296,353.52 and 509,677.68
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Solution
The fourth proportional to 939,414, 1,296,353.52 and 509,677.68 is: 703,334.69
Step by Step Solution
- Step 1: Write the proportion equation
939,414 : 1,296,353.52 = 509,677.68 : x - Step 2: Convert to fraction form
939,414/1,296,353.52 = 509,677.68/x - Step 3: Cross multiply
939,414x = 1,296,353.52 × 509,677.68 - Step 4: Simplify right side
939,414x = 660,722,454,533.43 - Step 5: Solve for x
x = 660,722,454,533.43/939,414 - Step 6: Final answer
x = 703,334.69
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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.