Finding the Fourth Proportional to 971,406.13, 1,456,227.06 and 339,975.49
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Solution
The fourth proportional to 971,406.13, 1,456,227.06 and 339,975.49 is: 509,654.50
Step by Step Solution
- Step 1: Write the proportion equation
971,406.13 : 1,456,227.06 = 339,975.49 : x - Step 2: Convert to fraction form
971,406.13/1,456,227.06 = 339,975.49/x - Step 3: Cross multiply
971,406.13x = 1,456,227.06 × 339,975.49 - Step 4: Simplify right side
971,406.13x = 495,081,508,274.76 - Step 5: Solve for x
x = 495,081,508,274.76/971,406.13 - Step 6: Final answer
x = 509,654.50
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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.