Finding the Fourth Proportional to 939,827.28, 1,296,958.36 and 510,107.41
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Solution
The fourth proportional to 939,827.28, 1,296,958.36 and 510,107.41 is: 703,946.43
Step by Step Solution
- Step 1: Write the proportion equation
939,827.28 : 1,296,958.36 = 510,107.41 : x - Step 2: Convert to fraction form
939,827.28/1,296,958.36 = 510,107.41/x - Step 3: Cross multiply
939,827.28x = 1,296,958.36 × 510,107.41 - Step 4: Simplify right side
939,827.28x = 661,588,060,862.12 - Step 5: Solve for x
x = 661,588,060,862.12/939,827.28 - Step 6: Final answer
x = 703,946.43
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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.