Finding the Fourth Proportional to 971,402.73, 1,456,222 and 339,972.09
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Solution
The fourth proportional to 971,402.73, 1,456,222 and 339,972.09 is: 509,649.42
Step by Step Solution
- Step 1: Write the proportion equation
971,402.73 : 1,456,222 = 339,972.09 : x - Step 2: Convert to fraction form
971,402.73/1,456,222 = 339,972.09/x - Step 3: Cross multiply
971,402.73x = 1,456,222 × 339,972.09 - Step 4: Simplify right side
971,402.73x = 495,074,836,843.98 - Step 5: Solve for x
x = 495,074,836,843.98/971,402.73 - Step 6: Final answer
x = 509,649.42
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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.